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80288164 = 22111824731
BaseRepresentation
bin1001100100100…
…01100110100100
312121002001122201
410302101212210
5131023210124
611544504244
71663303165
oct462214644
9177061581
1080288164
1141358760
1222a7b084
13138315b8
14a93d76c
1570ae144
hex4c919a4

80288164 has 12 divisors (see below), whose sum is σ = 153277488. Its totient is φ = 36494600.

The previous prime is 80288119. The next prime is 80288231. The reversal of 80288164 is 46188208.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 912322 + ... + 912409.

It is an arithmetic number, because the mean of its divisors is an integer number (12773124).

Almost surely, 280288164 is an apocalyptic number.

It is an amenable number.

80288164 is a deficient number, since it is larger than the sum of its proper divisors (72989324).

80288164 is a wasteful number, since it uses less digits than its factorization.

80288164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824746 (or 1824744 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 80288164 is about 8960.3662871559. The cubic root of 80288164 is about 431.4036768274.

The spelling of 80288164 in words is "eighty million, two hundred eighty-eight thousand, one hundred sixty-four".

Divisors: 1 2 4 11 22 44 1824731 3649462 7298924 20072041 40144082 80288164