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80254404 = 223219117331
BaseRepresentation
bin1001100100010…
…01010111000100
312121000100100100
410302021113010
5131021120104
611544044100
71663102566
oct462112704
9177010310
1080254404
114133535a
1222a63630
131381c119
14a931336
1570a4139
hex4c895c4

80254404 has 36 divisors (see below), whose sum is σ = 213544240. Its totient is φ = 25343280.

The previous prime is 80254403. The next prime is 80254439. The reversal of 80254404 is 40445208.

80254404 is a `hidden beast` number, since 8 + 0 + 254 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×802544042 = 12881538722790432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80254403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57982 + ... + 59349.

Almost surely, 280254404 is an apocalyptic number.

It is an amenable number.

80254404 is an abundant number, since it is smaller than the sum of its proper divisors (133289836).

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

80254404 is a wasteful number, since it uses less digits than its factorization.

80254404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117360 (or 117355 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 80254404 is about 8958.4822375222. The cubic root of 80254404 is about 431.3432020359.

The spelling of 80254404 in words is "eighty million, two hundred fifty-four thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 117331 234662 351993 469324 703986 1055979 1407972 2111958 2229289 4223916 4458578 6687867 8917156 13375734 20063601 26751468 40127202 80254404