Search a number
-
+
255928974 = 23719320713
BaseRepresentation
bin11110100000100…
…10101010001110
3122211120112112220
433100102222032
51011004211344
641221240210
76225234420
oct1720225216
9584515486
10255928974
11121513254
1271863066
134103a282
1425dc0810
1517705c19
hexf412a8e

255928974 has 32 divisors (see below), whose sum is σ = 615770880. Its totient is φ = 69273792.

The previous prime is 255928969. The next prime is 255928987. The reversal of 255928974 is 479829552.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159559 + ... + 161154.

It is an arithmetic number, because the mean of its divisors is an integer number (19242840).

Almost surely, 2255928974 is an apocalyptic number.

255928974 is an abundant number, since it is smaller than the sum of its proper divisors (359841906).

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

255928974 is a wasteful number, since it uses less digits than its factorization.

255928974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320744.

The product of its digits is 1814400, while the sum is 51.

The square root of 255928974 is about 15997.7802835268. The cubic root of 255928974 is about 634.9016930916.

The spelling of 255928974 in words is "two hundred fifty-five million, nine hundred twenty-eight thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 320713 641426 962139 1924278 2244991 4489982 6093547 6734973 12187094 13469946 18280641 36561282 42654829 85309658 127964487 255928974