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255252775 = 5210210111
BaseRepresentation
bin11110011011011…
…01100100100111
3122210022011222111
433031231210213
51010321042100
641154541451
76216420121
oct1715554447
9583264874
10255252775
111210a1208
1271597887
1340b6155b
1425c86211
15176206ba
hexf36d927

255252775 has 6 divisors (see below), whose sum is σ = 316513472. Its totient is φ = 204202200.

The previous prime is 255252769. The next prime is 255252793. The reversal of 255252775 is 577252552.

It is not a de Polignac number, because 255252775 - 25 = 255252743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5105031 + ... + 5105080.

Almost surely, 2255252775 is an apocalyptic number.

255252775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255252775 is a deficient number, since it is larger than the sum of its proper divisors (61260697).

255252775 is a wasteful number, since it uses less digits than its factorization.

255252775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210121 (or 10210116 counting only the distinct ones).

The product of its digits is 245000, while the sum is 40.

The square root of 255252775 is about 15976.6321544936. The cubic root of 255252775 is about 634.3420344926.

The spelling of 255252775 in words is "two hundred fifty-five million, two hundred fifty-two thousand, seven hundred seventy-five".

Divisors: 1 5 25 10210111 51050555 255252775