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80007087 = 3231159523
BaseRepresentation
bin1001100010011…
…00111110101111
312120112210002110
410301030332233
5130440211322
611534455103
71661022546
oct461147657
9176483073
1080007087
1141186566
1222964493
1313763694
14a8a915d
157055c0c
hex4c4cfaf

80007087 has 8 divisors (see below), whose sum is σ = 111314304. Its totient is φ = 51018968.

The previous prime is 80007073. The next prime is 80007089. The reversal of 80007087 is 78070008.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80007087 - 26 = 80007023 is a prime.

It is a super-2 number, since 2×800070872 = 12802267940451138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80007089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579693 + ... + 579830.

It is an arithmetic number, because the mean of its divisors is an integer number (13914288).

Almost surely, 280007087 is an apocalyptic number.

80007087 is a deficient number, since it is larger than the sum of its proper divisors (31307217).

80007087 is a wasteful number, since it uses less digits than its factorization.

80007087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159549.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 80007087 is about 8944.6680765694. The cubic root of 80007087 is about 430.8996613629.

The spelling of 80007087 in words is "eighty million, seven thousand, eighty-seven".

Divisors: 1 3 23 69 1159523 3478569 26669029 80007087