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52928067 = 3311513769
BaseRepresentation
bin1100100111100…
…1111001000011
310200121000122210
43021321321003
5102022144232
65130233203
71211611143
oct311717103
9120530583
1052928067
1127970705
1215885803
13ac720aa
14705a923
1549a75cc
hex3279e43

52928067 has 16 divisors (see below), whose sum is σ = 73349120. Its totient is φ = 33912000.

The previous prime is 52928039. The next prime is 52928077. The reversal of 52928067 is 76082925.

It is a happy number.

It is not a de Polignac number, because 52928067 - 215 = 52895299 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52928017) 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, 12159 + ... + 15927.

It is an arithmetic number, because the mean of its divisors is an integer number (4584320).

Almost surely, 252928067 is an apocalyptic number.

52928067 is a deficient number, since it is larger than the sum of its proper divisors (20421053).

52928067 is a wasteful number, since it uses less digits than its factorization.

52928067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 52928067 is about 7275.1678331156. The cubic root of 52928067 is about 375.4585608078.

The spelling of 52928067 in words is "fifty-two million, nine hundred twenty-eight thousand, sixty-seven".

Divisors: 1 3 31 93 151 453 3769 4681 11307 14043 116839 350517 569119 1707357 17642689 52928067