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80004256 = 2510922937
BaseRepresentation
bin1001100010011…
…00010010100000
312120112122012121
410301030102200
5130440114011
611534434024
71661011363
oct461142240
9176478177
1080004256
1141184422
1222962914
13137622c7
14a8a80da
157054e71
hex4c4c4a0

80004256 has 24 divisors (see below), whose sum is σ = 158960340. Its totient is φ = 39633408.

The previous prime is 80004241. The next prime is 80004257. The reversal of 80004256 is 65240008.

It can be written as a sum of positive squares in 2 ways, for example, as 79923600 + 80656 = 8940^2 + 284^2 .

It is a super-2 number, since 2×800042562 = 12801361956227072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80004256.

It is not an unprimeable number, because it can be changed into a prime (80004257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7981 + ... + 14956.

Almost surely, 280004256 is an apocalyptic number.

It is an amenable number.

80004256 is a deficient number, since it is larger than the sum of its proper divisors (78956084).

80004256 is a wasteful number, since it uses less digits than its factorization.

80004256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23056 (or 23048 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 80004256 is about 8944.5098244677. The cubic root of 80004256 is about 430.8945789326.

The spelling of 80004256 in words is "eighty million, four thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 109 218 436 872 1744 3488 22937 45874 91748 183496 366992 733984 2500133 5000266 10000532 20001064 40002128 80004256