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80107075 = 523204283
BaseRepresentation
bin1001100011001…
…01011001000011
312120201212020201
410301211121003
5131001411300
611540550031
71661620216
oct461453103
9176655221
1080107075
11412446a4
12229b2317
131379a049
14a8d377d
15707566a
hex4c65643

80107075 has 6 divisors (see below), whose sum is σ = 99332804. Its totient is φ = 64085640.

The previous prime is 80107067. The next prime is 80107081. The reversal of 80107075 is 57070108.

It is a happy number.

It is not a de Polignac number, because 80107075 - 23 = 80107067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1602117 + ... + 1602166.

Almost surely, 280107075 is an apocalyptic number.

80107075 is a deficient number, since it is larger than the sum of its proper divisors (19225729).

80107075 is a wasteful number, since it uses less digits than its factorization.

80107075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204293 (or 3204288 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 80107075 is about 8950.2555829429. The cubic root of 80107075 is about 431.0790907158.

The spelling of 80107075 in words is "eighty million, one hundred seven thousand, seventy-five".

Divisors: 1 5 25 3204283 16021415 80107075