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255379488 = 253713233141
BaseRepresentation
bin11110011100011…
…00100000100000
3122210112121210120
433032030200200
51010334120423
641201400240
76220455420
oct1716144040
9583477716
10255379488
11121178431
1271639080
1340ba7130
1425cba480
1517647ee3
hexf38c820

255379488 has 384 divisors, whose sum is σ = 910393344. Its totient is φ = 60825600.

The previous prime is 255379471. The next prime is 255379499. The reversal of 255379488 is 884973552.

It is a super-2 number, since 2×2553794882 = 130437365782284288, which contains 22 as substring.

Its product of digits (2419200) is a multiple of the sum of its prime divisors (120).

It is a self number, because there is not a number n which added to its sum of digits gives 255379488.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 6228748 + ... + 6228788.

It is an arithmetic number, because the mean of its divisors is an integer number (2370816).

Almost surely, 2255379488 is an apocalyptic number.

255379488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255379488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455196672).

255379488 is an abundant number, since it is smaller than the sum of its proper divisors (655013856).

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

255379488 is a wasteful number, since it uses less digits than its factorization.

255379488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 120 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The square root of 255379488 is about 15980.5972353977. The cubic root of 255379488 is about 634.4469841649.

The spelling of 255379488 in words is "two hundred fifty-five million, three hundred seventy-nine thousand, four hundred eighty-eight".