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255930039 = 32237871571
BaseRepresentation
bin11110100000100…
…10111010110111
3122211120121000100
433100102322313
51011004230124
641221245143
76225240501
oct1720227267
9584517010
10255930039
11121514032
12718637b3
134103a8c1
1425dc0d71
15177061c9
hexf412eb7

255930039 has 24 divisors (see below), whose sum is σ = 386485632. Its totient is φ = 162890640.

The previous prime is 255930029. The next prime is 255930047. The reversal of 255930039 is 930039552.

It is not a de Polignac number, because 255930039 - 25 = 255930007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255929985 and 255930012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255930029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162124 + ... + 163694.

It is an arithmetic number, because the mean of its divisors is an integer number (16103568).

Almost surely, 2255930039 is an apocalyptic number.

255930039 is a deficient number, since it is larger than the sum of its proper divisors (130555593).

255930039 is a wasteful number, since it uses less digits than its factorization.

255930039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 255930039 is about 15997.8135693600. The cubic root of 255930039 is about 634.9025737648.

The spelling of 255930039 in words is "two hundred fifty-five million, nine hundred thirty thousand, thirty-nine".

Divisors: 1 3 9 23 69 207 787 1571 2361 4713 7083 14139 18101 36133 54303 108399 162909 325197 1236377 3709131 11127393 28436671 85310013 255930039