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68479711 = 371850803
BaseRepresentation
bin1000001010011…
…10101011011111
311202212010111121
410011032223133
5120012322321
610443431411
71461032206
oct405165337
9152763447
1068479711
1135722903
121ab25567
1311258851
14914823d
15602a441
hex414eadf

68479711 has 4 divisors (see below), whose sum is σ = 70330552. Its totient is φ = 66628872.

The previous prime is 68479709. The next prime is 68479739. The reversal of 68479711 is 11797486.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68479711 - 21 = 68479709 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 (68479751) 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, 925365 + ... + 925438.

It is an arithmetic number, because the mean of its divisors is an integer number (17582638).

Almost surely, 268479711 is an apocalyptic number.

68479711 is a deficient number, since it is larger than the sum of its proper divisors (1850841).

68479711 is a wasteful number, since it uses less digits than its factorization.

68479711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850840.

The product of its digits is 84672, while the sum is 43.

The square root of 68479711 is about 8275.2468845346. The cubic root of 68479711 is about 409.1230731778.

The spelling of 68479711 in words is "sixty-eight million, four hundred seventy-nine thousand, seven hundred eleven".

Divisors: 1 37 1850803 68479711