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68036968 = 2342120201
BaseRepresentation
bin1000000111000…
…10100101101000
311202000122011201
410003202211220
5114404140333
610430133544
71454206336
oct403424550
9152018151
1068036968
11354501aa
121a9512b4
131113217c
149070b56
155e8e17d
hex40e2968

68036968 has 16 divisors (see below), whose sum is σ = 127878660. Its totient is φ = 33936000.

The previous prime is 68036923. The next prime is 68036977. The reversal of 68036968 is 86963086.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36699364 + 31337604 = 6058^2 + 5598^2 .

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, 6733 + ... + 13468.

Almost surely, 268036968 is an apocalyptic number.

It is an amenable number.

68036968 is a deficient number, since it is larger than the sum of its proper divisors (59841692).

68036968 is a wasteful number, since it uses less digits than its factorization.

68036968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20628 (or 20624 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 68036968 is about 8248.4524609165. The cubic root of 68036968 is about 408.2394627850.

The spelling of 68036968 in words is "sixty-eight million, thirty-six thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 421 842 1684 3368 20201 40402 80804 161608 8504621 17009242 34018484 68036968