Search a number
-
+
80807966 = 241985463
BaseRepresentation
bin1001101000100…
…00100000011110
312122001110200122
410310100200132
5131141323331
612003554542
72000566511
oct464204036
9178043618
1080807966
1141683248
122308ba52
1313984085
14aa36d78
15716317b
hex4d1081e

80807966 has 8 divisors (see below), whose sum is σ = 124168464. Its totient is φ = 39418480.

The previous prime is 80807959. The next prime is 80807971. The reversal of 80807966 is 66970808.

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

It is a congruent 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, 492650 + ... + 492813.

It is an arithmetic number, because the mean of its divisors is an integer number (15521058).

Almost surely, 280807966 is an apocalyptic number.

80807966 is a deficient number, since it is larger than the sum of its proper divisors (43360498).

80807966 is a wasteful number, since it uses less digits than its factorization.

80807966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985506.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 80807966 is about 8989.3251137113. The cubic root of 80807966 is about 432.3326734196.

The spelling of 80807966 in words is "eighty million, eight hundred seven thousand, nine hundred sixty-six".

Divisors: 1 2 41 82 985463 1970926 40403983 80807966