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80054707 = 179447233
BaseRepresentation
bin1001100010110…
…00100110110011
312120122012102011
410301120212303
5130443222312
611535503351
71661311435
oct461304663
9176565364
1080054707
1141209317
1222987b57
131377c265
14a8bc655
157064da7
hex4c589b3

80054707 has 4 divisors (see below), whose sum is σ = 80502120. Its totient is φ = 79607296.

The previous prime is 80054633. The next prime is 80054713. The reversal of 80054707 is 70745008.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80054707 - 219 = 79530419 is a prime.

It is a super-2 number, since 2×800547072 = 12817512225711698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80054747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223438 + ... + 223795.

It is an arithmetic number, because the mean of its divisors is an integer number (20125530).

Almost surely, 280054707 is an apocalyptic number.

80054707 is a deficient number, since it is larger than the sum of its proper divisors (447413).

80054707 is a wasteful number, since it uses less digits than its factorization.

80054707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447412.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 80054707 is about 8947.3296016186. The cubic root of 80054707 is about 430.9851345084.

The spelling of 80054707 in words is "eighty million, fifty-four thousand, seven hundred seven".

Divisors: 1 179 447233 80054707