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255230402 = 2723792641
BaseRepresentation
bin11110011011010…
…00000111000010
3122210021001021212
433031220013002
51010314333102
641154250122
76216264650
oct1715500702
9583231255
10255230402
11121086419
1271586942
1340b5430b
1425c7bdd0
1517618c52
hexf3681c2

255230402 has 16 divisors (see below), whose sum is σ = 456561792. Its totient is φ = 104628480.

The previous prime is 255230399. The next prime is 255230419. The reversal of 255230402 is 204032552.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395999 + ... + 396642.

It is an arithmetic number, because the mean of its divisors is an integer number (28535112).

Almost surely, 2255230402 is an apocalyptic number.

255230402 is a deficient number, since it is larger than the sum of its proper divisors (201331390).

255230402 is a wasteful number, since it uses less digits than its factorization.

255230402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792673.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 255230402 is about 15975.9319602958. The cubic root of 255230402 is about 634.3235005133.

Adding to 255230402 its reverse (204032552), we get a palindrome (459262954).

The spelling of 255230402 in words is "two hundred fifty-five million, two hundred thirty thousand, four hundred two".

Divisors: 1 2 7 14 23 46 161 322 792641 1585282 5548487 11096974 18230743 36461486 127615201 255230402