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290424256 = 265578147
BaseRepresentation
bin10001010011111…
…000010111000000
3202020111002011221
4101103320113000
51043322034011
644452444424
710124364643
oct2123702700
9666432157
10290424256
11139a34051
1281319714
1348227395
142a7dda5a
151a76b971
hex114f85c0

290424256 has 28 divisors (see below), whose sum is σ = 577416168. Its totient is φ = 144933632.

The previous prime is 290424229. The next prime is 290424263. The reversal of 290424256 is 652424092.

290424256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31575 + ... + 39721.

It is an arithmetic number, because the mean of its divisors is an integer number (20622006).

Almost surely, 2290424256 is an apocalyptic number.

It is an amenable number.

290424256 is a deficient number, since it is larger than the sum of its proper divisors (286991912).

290424256 is an equidigital number, since it uses as much as digits as its factorization.

290424256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716 (or 8706 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 290424256 is about 17041.8383984827. The cubic root of 290424256 is about 662.2332186080.

The spelling of 290424256 in words is "two hundred ninety million, four hundred twenty-four thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 64 557 1114 2228 4456 8147 8912 16294 17824 32588 35648 65176 130352 260704 521408 4537879 9075758 18151516 36303032 72606064 145212128 290424256