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255402934 = 21737203023
BaseRepresentation
bin11110011100100…
…10001110110110
3122210120210221221
433032102032312
51010340343214
641202100554
76220613653
oct1716221666
9583523857
10255402934
11121194006
127164a75a
1340bb49c7
1425cc4c2a
151764ee24
hexf3923b6

255402934 has 16 divisors (see below), whose sum is σ = 416605248. Its totient is φ = 116940672.

The previous prime is 255402923. The next prime is 255402937. The reversal of 255402934 is 439204552.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 255402934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255402937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100254 + ... + 102769.

It is an arithmetic number, because the mean of its divisors is an integer number (26037828).

Almost surely, 2255402934 is an apocalyptic number.

255402934 is a deficient number, since it is larger than the sum of its proper divisors (161202314).

255402934 is a wasteful number, since it uses less digits than its factorization.

255402934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203079.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 255402934 is about 15981.3307956503. The cubic root of 255402934 is about 634.4663994396.

The spelling of 255402934 in words is "two hundred fifty-five million, four hundred two thousand, nine hundred thirty-four".

Divisors: 1 2 17 34 37 74 629 1258 203023 406046 3451391 6902782 7511851 15023702 127701467 255402934