Search a number
-
+
468191880 = 233351333347
BaseRepresentation
bin11011111010000…
…000101010001000
31012121222121112000
4123322000222020
51424324120010
6114242551000
714413364622
oct3372005210
91177877460
10468191880
11220311542
12110968460
1375cc9120
1446275c12
152b1837c0
hex1be80a88

468191880 has 128 divisors (see below), whose sum is σ = 1680739200. Its totient is φ = 115243776.

The previous prime is 468191861. The next prime is 468191903. The reversal of 468191880 is 88191864.

468191880 is a `hidden beast` number, since 468 + 1 + 9 + 188 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2634 + ... + 30713.

It is an arithmetic number, because the mean of its divisors is an integer number (13130775).

Almost surely, 2468191880 is an apocalyptic number.

468191880 is a gapful number since it is divisible by the number (40) 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 468191880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840369600).

468191880 is an abundant number, since it is smaller than the sum of its proper divisors (1212547320).

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

468191880 is a wasteful number, since it uses less digits than its factorization.

468191880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33380 (or 33370 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 468191880 is about 21637.7420263760. The cubic root of 468191880 is about 776.4997002940.

The spelling of 468191880 in words is "four hundred sixty-eight million, one hundred ninety-one thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 90 104 108 117 120 130 135 156 180 195 216 234 260 270 312 351 360 390 468 520 540 585 702 780 936 1080 1170 1404 1560 1755 2340 2808 3510 4680 7020 14040 33347 66694 100041 133388 166735 200082 266776 300123 333470 400164 433511 500205 600246 666940 800328 867022 900369 1000410 1200492 1300533 1333880 1500615 1734044 1800738 2000820 2167555 2400984 2601066 3001230 3468088 3601476 3901599 4001640 4335110 4501845 5202132 6002460 6502665 7202952 7803198 8670220 9003690 10404264 11704797 12004920 13005330 15606396 17340440 18007380 19507995 23409594 26010660 31212792 36014760 39015990 46819188 52021320 58523985 78031980 93638376 117047970 156063960 234095940 468191880