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80008404 = 2237952481
BaseRepresentation
bin1001100010011…
…01010011010100
312120112211220020
410301031103110
5130440232104
611534505140
71661026440
oct461152324
9176484806
1080008404
1141187553
12229651b0
1313764168
14a8a9820
1570562d9
hex4c4d4d4

80008404 has 24 divisors (see below), whose sum is σ = 213355968. Its totient is φ = 22859520.

The previous prime is 80008391. The next prime is 80008417. The reversal of 80008404 is 40480008.

It is an interprime number because it is at equal distance from previous prime (80008391) and next prime (80008417).

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, 476157 + ... + 476324.

It is an arithmetic number, because the mean of its divisors is an integer number (8889832).

Almost surely, 280008404 is an apocalyptic number.

80008404 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

80008404 is an abundant number, since it is smaller than the sum of its proper divisors (133347564).

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

80008404 is a wasteful number, since it uses less digits than its factorization.

80008404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952495 (or 952493 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 80008404 is about 8944.7416955438. The cubic root of 80008404 is about 430.9020257023.

The spelling of 80008404 in words is "eighty million, eight thousand, four hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 952481 1904962 2857443 3809924 5714886 6667367 11429772 13334734 20002101 26669468 40004202 80008404