Search a number
-
+
80942874 = 2313490479
BaseRepresentation
bin1001101001100…
…01011100011010
312122022022202020
410310301130122
5131210132444
612010515310
72002001025
oct464613432
9178268666
1080942874
1141765641
1223135b36
1313a005bc
14aa701bc
15718d119
hex4d3171a

80942874 has 8 divisors (see below), whose sum is σ = 161885760. Its totient is φ = 26980956.

The previous prime is 80942861. The next prime is 80942887. The reversal of 80942874 is 47824908.

It is an interprime number because it is at equal distance from previous prime (80942861) and next prime (80942887).

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

80942874 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6745234 + ... + 6745245.

It is an arithmetic number, because the mean of its divisors is an integer number (20235720).

Almost surely, 280942874 is an apocalyptic number.

80942874 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.

80942874 is a wasteful number, since it uses less digits than its factorization.

80942874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13490484.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 80942874 is about 8996.8257735715. The cubic root of 80942874 is about 432.5731311844.

The spelling of 80942874 in words is "eighty million, nine hundred forty-two thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 13490479 26980958 40471437 80942874