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64232055 = 335475793
BaseRepresentation
bin1111010100000…
…1101001110111
311110212022211000
43311001221313
5112420411210
610212414343
71406651316
oct365015167
9143768730
1064232055
1133291548
12196173b3
13103cc344
14876027d
15598bac0
hex3d41a77

64232055 has 16 divisors (see below), whose sum is σ = 114190560. Its totient is φ = 34257024.

The previous prime is 64232017. The next prime is 64232059. The reversal of 64232055 is 55023246.

It is not a de Polignac number, because 64232055 - 26 = 64231991 is a prime.

It is a super-3 number, since 3×642320553 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64232059) 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, 237762 + ... + 238031.

It is an arithmetic number, because the mean of its divisors is an integer number (7136910).

Almost surely, 264232055 is an apocalyptic number.

64232055 is a deficient number, since it is larger than the sum of its proper divisors (49958505).

64232055 is a wasteful number, since it uses less digits than its factorization.

64232055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475807 (or 475801 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 64232055 is about 8014.4903144242. The cubic root of 64232055 is about 400.4828647861.

The spelling of 64232055 in words is "sixty-four million, two hundred thirty-two thousand, fifty-five".

Divisors: 1 3 5 9 15 27 45 135 475793 1427379 2378965 4282137 7136895 12846411 21410685 64232055