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52628307 = 317542769
BaseRepresentation
bin1100100011000…
…0101101010011
310200000210110120
43020300231103
5101433101212
65120001323
71206222204
oct310605523
9120023416
1052628307
1127786476
1215760243
13ab98814
146dbd5ab
15494888c
hex3230b53

52628307 has 4 divisors (see below), whose sum is σ = 70171080. Its totient is φ = 35085536.

The previous prime is 52628287. The next prime is 52628321. The reversal of 52628307 is 70382625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52628307 - 27 = 52628179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52628357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8771382 + ... + 8771387.

It is an arithmetic number, because the mean of its divisors is an integer number (17542770).

Almost surely, 252628307 is an apocalyptic number.

52628307 is a deficient number, since it is larger than the sum of its proper divisors (17542773).

52628307 is a wasteful number, since it uses less digits than its factorization.

52628307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17542772.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 52628307 is about 7254.5369941851. The cubic root of 52628307 is about 374.7484108010.

The spelling of 52628307 in words is "fifty-two million, six hundred twenty-eight thousand, three hundred seven".

Divisors: 1 3 17542769 52628307