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255425196 = 223138319727
BaseRepresentation
bin11110011100101…
…11101010101100
3122210121221111110
433032113222230
51010342101241
641202352020
76221035605
oct1716275254
9583557443
10255425196
111211a9804
127165b610
1340bc1b90
1425cccdac
1517656816
hexf397aac

255425196 has 48 divisors (see below), whose sum is σ = 649603584. Its totient is φ = 77641536.

The previous prime is 255425173. The next prime is 255425207. The reversal of 255425196 is 691524552.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 3085 + ... + 22811.

It is an arithmetic number, because the mean of its divisors is an integer number (13533408).

Almost surely, 2255425196 is an apocalyptic number.

255425196 is a gapful number since it is divisible by the number (26) 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 255425196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324801792).

255425196 is an abundant number, since it is smaller than the sum of its proper divisors (394178388).

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

255425196 is a wasteful number, since it uses less digits than its factorization.

255425196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19830 (or 19828 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 255425196 is about 15982.0272806675. The cubic root of 255425196 is about 634.4848331624.

The spelling of 255425196 in words is "two hundred fifty-five million, four hundred twenty-five thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 83 156 166 249 332 498 996 1079 2158 3237 4316 6474 12948 19727 39454 59181 78908 118362 236724 256451 512902 769353 1025804 1538706 1637341 3077412 3274682 4912023 6549364 9824046 19648092 21285433 42570866 63856299 85141732 127712598 255425196