Search a number
-
+
256048452 = 22341171843
BaseRepresentation
bin11110100001011…
…11110101000100
3122211210121110000
433100233311010
51011022022302
641224001300
76226242642
oct1720576504
9584717400
10256048452
11121594aa0
1271900230
134107c77a
1426012192
151772b31c
hexf42fd44

256048452 has 60 divisors (see below), whose sum is σ = 730222416. Its totient is φ = 77589360.

The previous prime is 256048447. The next prime is 256048487. The reversal of 256048452 is 254840652.

It is a happy number.

256048452 is a `hidden beast` number, since 2 + 5 + 604 + 8 + 45 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32358 + ... + 39485.

Almost surely, 2256048452 is an apocalyptic number.

256048452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

256048452 is an abundant number, since it is smaller than the sum of its proper divisors (474173964).

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

256048452 is a wasteful number, since it uses less digits than its factorization.

256048452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71870 (or 71859 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 256048452 is about 16001.5140533638. The cubic root of 256048452 is about 635.0004769873. Note that the first 3 decimals are identical.

The spelling of 256048452 in words is "two hundred fifty-six million, forty-eight thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 297 324 396 594 891 1188 1782 3564 71843 143686 215529 287372 431058 646587 790273 862116 1293174 1580546 1939761 2370819 2586348 3161092 3879522 4741638 5819283 7112457 7759044 9483276 11638566 14224914 21337371 23277132 28449828 42674742 64012113 85349484 128024226 256048452