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255684064 = 2519715923
BaseRepresentation
bin11110011110101…
…10110111100000
3122211010002121011
433033112313200
51010423342224
641212110304
76223164406
oct1717266740
9584102534
10255684064
11121366249
1271765394
1340c8295c
1425d59476
15176a8394
hexf3d6de0

255684064 has 48 divisors (see below), whose sum is σ = 537425280. Its totient is φ = 119387520.

The previous prime is 255684061. The next prime is 255684067. The reversal of 255684064 is 460486552.

It is an interprime number because it is at equal distance from previous prime (255684061) and next prime (255684067).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255684061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40207 + ... + 46129.

It is an arithmetic number, because the mean of its divisors is an integer number (11196360).

Almost surely, 2255684064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255684064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268712640).

255684064 is an abundant number, since it is smaller than the sum of its proper divisors (281741216).

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

255684064 is a wasteful number, since it uses less digits than its factorization.

255684064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023 (or 6015 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 255684064 is about 15990.1239519899. The cubic root of 255684064 is about 634.6991064165.

The spelling of 255684064 in words is "two hundred fifty-five million, six hundred eighty-four thousand, sixty-four".

Divisors: 1 2 4 8 16 19 32 38 71 76 142 152 284 304 568 608 1136 1349 2272 2698 5396 5923 10792 11846 21584 23692 43168 47384 94768 112537 189536 225074 420533 450148 841066 900296 1682132 1800592 3364264 3601184 6728528 7990127 13457056 15980254 31960508 63921016 127842032 255684064