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80928374 = 2193209659
BaseRepresentation
bin1001101001011…
…01111001110110
312122021120212012
410310231321312
5131204201444
612010324222
72001610532
oct464557166
9178246765
1080928374
114175575a
1223129672
13139c6b17
14aa68bc2
157188b9e
hex4d2de76

80928374 has 8 divisors (see below), whose sum is σ = 122022120. Its totient is φ = 40254336.

The previous prime is 80928349. The next prime is 80928377. The reversal of 80928374 is 47382908.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80928377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104444 + ... + 105215.

It is an arithmetic number, because the mean of its divisors is an integer number (15252765).

Almost surely, 280928374 is an apocalyptic number.

80928374 is a deficient number, since it is larger than the sum of its proper divisors (41093746).

80928374 is a wasteful number, since it uses less digits than its factorization.

80928374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209854.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 80928374 is about 8996.0198977103. The cubic root of 80928374 is about 432.5472994479.

The spelling of 80928374 in words is "eighty million, nine hundred twenty-eight thousand, three hundred seventy-four".

Divisors: 1 2 193 386 209659 419318 40464187 80928374