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427618256 = 241319108203
BaseRepresentation
bin11001011111001…
…110111111010000
31002210122020222012
4121133032333100
51333432241011
6110233202052
713411460312
oct3137167720
91083566865
10427618256
111aa419a1a
12bb260328
136a791470
1440b137b2
152781ba8b
hex197cefd0

427618256 has 40 divisors (see below), whose sum is σ = 939210720. Its totient is φ = 186973056.

The previous prime is 427618193. The next prime is 427618343. The reversal of 427618256 is 652816724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50150 + ... + 58053.

It is an arithmetic number, because the mean of its divisors is an integer number (23480268).

Almost surely, 2427618256 is an apocalyptic number.

It is an amenable number.

427618256 is an abundant number, since it is smaller than the sum of its proper divisors (511592464).

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

427618256 is a wasteful number, since it uses less digits than its factorization.

427618256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108243 (or 108237 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 427618256 is about 20678.9326610442. The cubic root of 427618256 is about 753.3880824456.

The spelling of 427618256 in words is "four hundred twenty-seven million, six hundred eighteen thousand, two hundred fifty-six".

Divisors: 1 2 4 8 13 16 19 26 38 52 76 104 152 208 247 304 494 988 1976 3952 108203 216406 432812 865624 1406639 1731248 2055857 2813278 4111714 5626556 8223428 11253112 16446856 22506224 26726141 32893712 53452282 106904564 213809128 427618256