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68024776 = 2382110357
BaseRepresentation
bin1000000110111…
…11100111001000
311202000000110011
410003133213020
5114403243101
610430001304
71454125651
oct403374710
9152000404
1068024776
1135442026
121a946234
1311129761
14906a528
155e8a751
hex40df9c8

68024776 has 16 divisors (see below), whose sum is σ = 127714140. Its totient is φ = 33967680.

The previous prime is 68024771. The next prime is 68024783. The reversal of 68024776 is 67742086.

It can be written as a sum of positive squares in 2 ways, for example, as 67076100 + 948676 = 8190^2 + 974^2 .

It is not an unprimeable number, because it can be changed into a prime (68024771) by changing a digit.

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, 1390 + ... + 11746.

Almost surely, 268024776 is an apocalyptic number.

It is an amenable number.

68024776 is a deficient number, since it is larger than the sum of its proper divisors (59689364).

68024776 is a wasteful number, since it uses less digits than its factorization.

68024776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11184 (or 11180 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 68024776 is about 8247.7133800830. The cubic root of 68024776 is about 408.2150762737.

The spelling of 68024776 in words is "sixty-eight million, twenty-four thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 821 1642 3284 6568 10357 20714 41428 82856 8503097 17006194 34012388 68024776