Search a number
-
+
76985896 = 23133123879
BaseRepresentation
bin1001001011010…
…11011000101000
312100212021210111
410211223120220
5124202022041
611350024104
71623240451
oct445533050
9170767714
1076985896
113a502709
1221948034
1312c464b0
14a320128
156b5a981
hex496b628

76985896 has 32 divisors (see below), whose sum is σ = 160473600. Its totient is φ = 34384320.

The previous prime is 76985879. The next prime is 76985897. The reversal of 76985896 is 69858967.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 76985896.

It is not an unprimeable number, because it can be changed into a prime (76985897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8716 + ... + 15163.

It is an arithmetic number, because the mean of its divisors is an integer number (5014800).

Almost surely, 276985896 is an apocalyptic number.

It is an amenable number.

76985896 is an abundant number, since it is smaller than the sum of its proper divisors (83487704).

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

76985896 is a wasteful number, since it uses less digits than its factorization.

76985896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23929 (or 23925 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The square root of 76985896 is about 8774.1607006027. The cubic root of 76985896 is about 425.4061096260.

The spelling of 76985896 in words is "seventy-six million, nine hundred eighty-five thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 403 806 1612 3224 23879 47758 95516 191032 310427 620854 740249 1241708 1480498 2483416 2960996 5921992 9623237 19246474 38492948 76985896