Search a number
-
+
64275232 = 2571716879
BaseRepresentation
bin1111010100110…
…0001100100000
311110221112001011
43311030030200
5112423301412
610213350304
71410221230
oct365141440
9143845034
1064275232
1133310a2a
1219638394
1310415ba8
148771cc0
1559997a7
hex3d4c320

64275232 has 48 divisors (see below), whose sum is σ = 153135360. Its totient is φ = 25924608.

The previous prime is 64275227. The next prime is 64275247. The reversal of 64275232 is 23257246.

It is a junction number, because it is equal to n+sod(n) for n = 64275194 and 64275203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4632 + ... + 12247.

It is an arithmetic number, because the mean of its divisors is an integer number (3190320).

Almost surely, 264275232 is an apocalyptic number.

It is an amenable number.

64275232 is an abundant number, since it is smaller than the sum of its proper divisors (88860128).

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

64275232 is a wasteful number, since it uses less digits than its factorization.

64275232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16913 (or 16905 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 64275232 is about 8017.1835453606. The cubic root of 64275232 is about 400.5725799893.

The spelling of 64275232 in words is "sixty-four million, two hundred seventy-five thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 68 112 119 136 224 238 272 476 544 952 1904 3808 16879 33758 67516 118153 135032 236306 270064 286943 472612 540128 573886 945224 1147772 1890448 2008601 2295544 3780896 4017202 4591088 8034404 9182176 16068808 32137616 64275232