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255893550 = 235211155087
BaseRepresentation
bin11110100000010…
…10000000101110
3122211111201221220
433100022000232
51011002043200
641220404210
76225026223
oct1720120056
9584451856
10255893550
11121499680
1271846666
1341027103
1425db194a
15176ea4a0
hexf40a02e

255893550 has 48 divisors (see below), whose sum is σ = 692312832. Its totient is φ = 62034400.

The previous prime is 255893527. The next prime is 255893557. The reversal of 255893550 is 55398552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255893557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75894 + ... + 79193.

It is an arithmetic number, because the mean of its divisors is an integer number (14423184).

Almost surely, 2255893550 is an apocalyptic number.

255893550 is an abundant number, since it is smaller than the sum of its proper divisors (436419282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255893550 is a wasteful number, since it uses less digits than its factorization.

255893550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155113 (or 155108 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The square root of 255893550 is about 15996.6730916150. The cubic root of 255893550 is about 634.8723987722.

The spelling of 255893550 in words is "two hundred fifty-five million, eight hundred ninety-three thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 110 150 165 275 330 550 825 1650 155087 310174 465261 775435 930522 1550870 1705957 2326305 3411914 3877175 4652610 5117871 7754350 8529785 10235742 11631525 17059570 23263050 25589355 42648925 51178710 85297850 127946775 255893550