Search a number
-
+
1421952 = 2737232
BaseRepresentation
bin101011011001010000000
32200020112220
411123022000
5331000302
650251040
715041430
oct5331200
92606486
101421952
11891374
12586a80
133aa2bc
142902c0
151d14bc
hex15b280

1421952 has 96 divisors (see below), whose sum is σ = 4512480. Its totient is φ = 388608.

The previous prime is 1421933. The next prime is 1421963. The reversal of 1421952 is 2591241.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61813 + ... + 61835.

It is an arithmetic number, because the mean of its divisors is an integer number (47005).

21421952 is an apocalyptic number.

1421952 is a gapful number since it is divisible by the number (12) 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 1421952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2256240).

1421952 is an abundant number, since it is smaller than the sum of its proper divisors (3090528).

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

1421952 is an equidigital number, since it uses as much as digits as its factorization.

1421952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 35 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 1421952 is about 1192.4562885070. The cubic root of 1421952 is about 112.4505659355.

The spelling of 1421952 in words is "one million, four hundred twenty-one thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 56 64 69 84 92 96 112 128 138 161 168 184 192 224 276 322 336 368 384 448 483 529 552 644 672 736 896 966 1058 1104 1288 1344 1472 1587 1932 2116 2208 2576 2688 2944 3174 3703 3864 4232 4416 5152 6348 7406 7728 8464 8832 10304 11109 12696 14812 15456 16928 20608 22218 25392 29624 30912 33856 44436 50784 59248 61824 67712 88872 101568 118496 177744 203136 236992 355488 473984 710976 1421952