Search a number
-
+
468219648 = 28313232039
BaseRepresentation
bin11011111010000…
…111011100000000
31012122001000121110
4123322013130000
51424331012043
6114243323320
714413541601
oct3372073400
91178030543
10468219648
11220330396
12110980540
1376008960
1446281da8
152b18bb33
hex1be87700

468219648 has 144 divisors (see below), whose sum is σ = 1401039360. Its totient is φ = 137736192.

The previous prime is 468219643. The next prime is 468219659. The reversal of 468219648 is 846912864.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 468219597 and 468219606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468219643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228613 + ... + 230651.

It is an arithmetic number, because the mean of its divisors is an integer number (9729440).

Almost surely, 2468219648 is an apocalyptic number.

468219648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 468219648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700519680).

468219648 is an abundant number, since it is smaller than the sum of its proper divisors (932819712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

468219648 is a wasteful number, since it uses less digits than its factorization.

468219648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094 (or 2080 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 468219648 is about 21638.3836734632. The cubic root of 468219648 is about 776.5150511351.

It can be divided in two parts, 468 and 219648, that added together give a triangular number (220116 = T663).

The spelling of 468219648 in words is "four hundred sixty-eight million, two hundred nineteen thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 23 24 26 32 39 46 48 52 64 69 78 92 96 104 128 138 156 184 192 208 256 276 299 312 368 384 416 552 598 624 736 768 832 897 1104 1196 1248 1472 1664 1794 2039 2208 2392 2496 2944 3328 3588 4078 4416 4784 4992 5888 6117 7176 8156 8832 9568 9984 12234 14352 16312 17664 19136 24468 26507 28704 32624 38272 46897 48936 53014 57408 65248 76544 79521 93794 97872 106028 114816 130496 140691 159042 187588 195744 212056 229632 260992 281382 318084 375176 391488 424112 521984 562764 609661 636168 750352 782976 848224 1125528 1219322 1272336 1500704 1565952 1696448 1828983 2251056 2438644 2544672 3001408 3392896 3657966 4502112 4877288 5089344 6002816 6785792 7315932 9004224 9754576 10178688 12005632 14631864 18008448 19509152 20357376 29263728 36016896 39018304 58527456 78036608 117054912 156073216 234109824 468219648