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80925666 = 2313487611
BaseRepresentation
bin1001101001011…
…01001111100010
312122021110010220
410310231033202
5131204110131
612010303510
72001566613
oct464551742
9178243126
1080925666
1141753718
1223127b96
13139c5813
14aa67c0a
157187e96
hex4d2d3e2

80925666 has 8 divisors (see below), whose sum is σ = 161851344. Its totient is φ = 26975220.

The previous prime is 80925641. The next prime is 80925679. The reversal of 80925666 is 66652908.

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

80925666 is an admirable number.

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, 6743800 + ... + 6743811.

It is an arithmetic number, because the mean of its divisors is an integer number (20231418).

Almost surely, 280925666 is an apocalyptic number.

80925666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80925666 is a wasteful number, since it uses less digits than its factorization.

80925666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13487616.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 80925666 is about 8995.8693854457. The cubic root of 80925666 is about 432.5424748065.

The spelling of 80925666 in words is "eighty million, nine hundred twenty-five thousand, six hundred sixty-six".

Divisors: 1 2 3 6 13487611 26975222 40462833 80925666