Search a number
-
+
78970896 = 2433182803
BaseRepresentation
bin1001011010100…
…00000000010000
312111121010201000
410231100000100
5130204032041
611500342000
71646145564
oct455200020
9174533630
1078970896
1140639004
1222544900
131348cb54
14a6b96a4
156dedbb6
hex4b50010

78970896 has 40 divisors (see below), whose sum is σ = 226676960. Its totient is φ = 26323488.

The previous prime is 78970877. The next prime is 78970907. The reversal of 78970896 is 69807987.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90970 + ... + 91833.

It is an arithmetic number, because the mean of its divisors is an integer number (5666924).

Almost surely, 278970896 is an apocalyptic number.

It is an amenable number.

78970896 is an abundant number, since it is smaller than the sum of its proper divisors (147706064).

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

78970896 is a wasteful number, since it uses less digits than its factorization.

78970896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182820 (or 182808 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 78970896 is about 8886.5570385836. The cubic root of 78970896 is about 429.0313439860.

The spelling of 78970896 in words is "seventy-eight million, nine hundred seventy thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 182803 365606 548409 731212 1096818 1462424 1645227 2193636 2924848 3290454 4387272 4935681 6580908 8774544 9871362 13161816 19742724 26323632 39485448 78970896