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516625031 = 131033531093
BaseRepresentation
bin11110110010110…
…001001010000111
31100000010021022102
4132302301022013
52024224000111
6123133022315
715542145266
oct3662611207
91300107272
10516625031
1124569203a
1212502499b
13830562b0
144c8825dd
153054e13b
hex1ecb1287

516625031 has 16 divisors (see below), whose sum is σ = 563873856. Its totient is φ = 470486016.

The previous prime is 516625001. The next prime is 516625037. The reversal of 516625031 is 130526615.

It is not a de Polignac number, because 516625031 - 214 = 516608647 is a prime.

It is a super-2 number, since 2×5166250312 = 533802845311501922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 516624985 and 516625003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516625037) 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, 472121 + ... + 473213.

It is an arithmetic number, because the mean of its divisors is an integer number (35242116).

Almost surely, 2516625031 is an apocalyptic number.

516625031 is a deficient number, since it is larger than the sum of its proper divisors (47248825).

516625031 is a wasteful number, since it uses less digits than its factorization.

516625031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 516625031 is about 22729.3869472980. The cubic root of 516625031 is about 802.4016531751.

The spelling of 516625031 in words is "five hundred sixteen million, six hundred twenty-five thousand, thirty-one".

Divisors: 1 13 103 353 1093 1339 4589 14209 36359 112579 385829 472667 1463527 5015777 39740387 516625031