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52910931 = 317636977
BaseRepresentation
bin1100100111010…
…1101101010011
310200120011011010
43021311231103
5102021122211
65130022003
71211510163
oct311655523
9120504133
1052910931
1127959847
1215877903
13ac67358
1470545a3
1549a24a6
hex3275b53

52910931 has 4 divisors (see below), whose sum is σ = 70547912. Its totient is φ = 35273952.

The previous prime is 52910929. The next prime is 52910933. The reversal of 52910931 is 13901925.

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

It is an interprime number because it is at equal distance from previous prime (52910929) and next prime (52910933).

It is not a de Polignac number, because 52910931 - 21 = 52910929 is a prime.

It is a super-2 number, since 2×529109312 = 5599133238573522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52910933) 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, 8818486 + ... + 8818491.

It is an arithmetic number, because the mean of its divisors is an integer number (17636978).

Almost surely, 252910931 is an apocalyptic number.

52910931 is a deficient number, since it is larger than the sum of its proper divisors (17636981).

52910931 is a wasteful number, since it uses less digits than its factorization.

52910931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17636980.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 52910931 is about 7273.9900329874. The cubic root of 52910931 is about 375.4180369250.

The spelling of 52910931 in words is "fifty-two million, nine hundred ten thousand, nine hundred thirty-one".

Divisors: 1 3 17636977 52910931