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68296789 = 116208799
BaseRepresentation
bin1000001001000…
…10000001010101
311202111211120201
410010202001111
5114440444124
610435500501
71456341001
oct404420125
9152454521
1068296789
1135608430
121aa57731
13111c3502
1490db701
155ee1144
hex4122055

68296789 has 4 divisors (see below), whose sum is σ = 74505600. Its totient is φ = 62087980.

The previous prime is 68296777. The next prime is 68296793. The reversal of 68296789 is 98769286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68296789 - 27 = 68296661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68296889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3104389 + ... + 3104410.

It is an arithmetic number, because the mean of its divisors is an integer number (18626400).

Almost surely, 268296789 is an apocalyptic number.

It is an amenable number.

68296789 is a deficient number, since it is larger than the sum of its proper divisors (6208811).

68296789 is a wasteful number, since it uses less digits than its factorization.

68296789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208810.

The product of its digits is 2612736, while the sum is 55.

The square root of 68296789 is about 8264.1871348609. The cubic root of 68296789 is about 408.7584671565.

The spelling of 68296789 in words is "sixty-eight million, two hundred ninety-six thousand, seven hundred eighty-nine".

Divisors: 1 11 6208799 68296789