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80284804 = 22191056379
BaseRepresentation
bin1001100100100…
…00110010000100
312121001220001021
410302100302010
5131023103204
611544440524
71663260325
oct462206204
9177056037
1080284804
1141356186
1222a79144
131382cc02
14a93c44c
1570ad154
hex4c90c84

80284804 has 12 divisors (see below), whose sum is σ = 147893200. Its totient is φ = 38029608.

The previous prime is 80284801. The next prime is 80284807. The reversal of 80284804 is 40848208.

It is an interprime number because it is at equal distance from previous prime (80284801) and next prime (80284807).

It is a self number, because there is not a number n which added to its sum of digits gives 80284804.

It is not an unprimeable number, because it can be changed into a prime (80284801) 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, 528114 + ... + 528265.

Almost surely, 280284804 is an apocalyptic number.

It is an amenable number.

80284804 is a deficient number, since it is larger than the sum of its proper divisors (67608396).

80284804 is a wasteful number, since it uses less digits than its factorization.

80284804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056402 (or 1056400 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 80284804 is about 8960.1787928590. The cubic root of 80284804 is about 431.3976587691.

The spelling of 80284804 in words is "eighty million, two hundred eighty-four thousand, eight hundred four".

Divisors: 1 2 4 19 38 76 1056379 2112758 4225516 20071201 40142402 80284804