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80395108 = 22171182281
BaseRepresentation
bin1001100101010…
…11101101100100
312121021111100121
410302223231210
5131040120413
611551051324
71664230033
oct462535544
9177244317
1080395108
1141421042
1222b10b44
131386b191
14a96a71a
1570d0b8d
hex4cabb64

80395108 has 12 divisors (see below), whose sum is σ = 148967532. Its totient is φ = 37832960.

The previous prime is 80395069. The next prime is 80395127. The reversal of 80395108 is 80159308.

It can be written as a sum of positive squares in 2 ways, for example, as 72284004 + 8111104 = 8502^2 + 2848^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591073 + ... + 591208.

It is an arithmetic number, because the mean of its divisors is an integer number (12413961).

Almost surely, 280395108 is an apocalyptic number.

It is an amenable number.

80395108 is a deficient number, since it is larger than the sum of its proper divisors (68572424).

80395108 is a wasteful number, since it uses less digits than its factorization.

80395108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182302 (or 1182300 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 80395108 is about 8966.3319144453. The cubic root of 80395108 is about 431.5951353739.

The spelling of 80395108 in words is "eighty million, three hundred ninety-five thousand, one hundred eight".

Divisors: 1 2 4 17 34 68 1182281 2364562 4729124 20098777 40197554 80395108