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80032137 = 3113307769
BaseRepresentation
bin1001100010100…
…11000110001001
312120121001110020
410301103012021
5130442012022
611535211053
71661155563
oct461230611
9176531406
1080032137
11411a3369
1222976a89
1313771bc3
14a8b4333
15705d35c
hex4c53189

80032137 has 16 divisors (see below), whose sum is σ = 108144960. Its totient is φ = 52641792.

The previous prime is 80032129. The next prime is 80032151. The reversal of 80032137 is 73123008.

It is not a de Polignac number, because 80032137 - 23 = 80032129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80032177) 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 15 ways as a sum of consecutive naturals, for example, 103689 + ... + 104457.

It is an arithmetic number, because the mean of its divisors is an integer number (6759060).

Almost surely, 280032137 is an apocalyptic number.

It is an amenable number.

80032137 is a deficient number, since it is larger than the sum of its proper divisors (28112823).

80032137 is a wasteful number, since it uses less digits than its factorization.

80032137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 80032137 is about 8946.0682425298. The cubic root of 80032137 is about 430.9446278385.

The spelling of 80032137 in words is "eighty million, thirty-two thousand, one hundred thirty-seven".

Divisors: 1 3 113 307 339 769 921 2307 34691 86897 104073 236083 260691 708249 26677379 80032137