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52867931 = 371428863
BaseRepresentation
bin1100100110101…
…1001101011011
310200110222011112
43021223031123
5102013233211
65125050535
71211240624
oct311531533
9120428145
1052867931
112792a506
1215856a4b
13ac508cc
147042a4b
15499488b
hex326b35b

52867931 has 4 divisors (see below), whose sum is σ = 54296832. Its totient is φ = 51439032.

The previous prime is 52867921. The next prime is 52867939. The reversal of 52867931 is 13976825.

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 52867931 - 210 = 52866907 is a prime.

It is a super-2 number, since 2×528679312 = 5590036256441522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52867939) 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, 714395 + ... + 714468.

It is an arithmetic number, because the mean of its divisors is an integer number (13574208).

Almost surely, 252867931 is an apocalyptic number.

52867931 is a deficient number, since it is larger than the sum of its proper divisors (1428901).

52867931 is a wasteful number, since it uses less digits than its factorization.

52867931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428900.

The product of its digits is 90720, while the sum is 41.

The square root of 52867931 is about 7271.0336954246. The cubic root of 52867931 is about 375.3163103043.

The spelling of 52867931 in words is "fifty-two million, eight hundred sixty-seven thousand, nine hundred thirty-one".

Divisors: 1 37 1428863 52867931