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80739153 = 3311271849
BaseRepresentation
bin1001100111111…
…11101101010001
312121220222022000
410303333231101
5131132123103
612002304213
72000162055
oct463775521
9177828260
1080739153
1141636580
1223058069
131395b961
14aa19c65
15714caa3
hex4cffb51

80739153 has 16 divisors (see below), whose sum is σ = 130488000. Its totient is φ = 48932640.

The previous prime is 80739149. The next prime is 80739179. The reversal of 80739153 is 35193708.

It is not a de Polignac number, because 80739153 - 22 = 80739149 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80739353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135628 + ... + 136221.

It is an arithmetic number, because the mean of its divisors is an integer number (8155500).

Almost surely, 280739153 is an apocalyptic number.

It is an amenable number.

80739153 is a deficient number, since it is larger than the sum of its proper divisors (49748847).

80739153 is a wasteful number, since it uses less digits than its factorization.

80739153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271869 (or 271863 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 80739153 is about 8985.4968143114. The cubic root of 80739153 is about 432.2099191978.

The spelling of 80739153 in words is "eighty million, seven hundred thirty-nine thousand, one hundred fifty-three".

Divisors: 1 3 9 11 27 33 99 297 271849 815547 2446641 2990339 7339923 8971017 26913051 80739153