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68267459 = 1314093727
BaseRepresentation
bin1000001000110…
…10110111000011
311202110100100102
410010122313003
5114434024314
610435113015
71456156331
oct404326703
9152410312
1068267459
1135598397
121aa4276b
13111b3060
1490d0b51
155ed75de
hex411adc3

68267459 has 8 divisors (see below), whose sum is σ = 73590720. Its totient is φ = 62954496.

The previous prime is 68267449. The next prime is 68267467. The reversal of 68267459 is 95476286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68267459 - 28 = 68267203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68267449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16454 + ... + 20180.

It is an arithmetic number, because the mean of its divisors is an integer number (9198840).

Almost surely, 268267459 is an apocalyptic number.

68267459 is a deficient number, since it is larger than the sum of its proper divisors (5323261).

68267459 is a wasteful number, since it uses less digits than its factorization.

68267459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149.

The product of its digits is 725760, while the sum is 47.

The square root of 68267459 is about 8262.4124201107. The cubic root of 68267459 is about 408.6999451155.

The spelling of 68267459 in words is "sixty-eight million, two hundred sixty-seven thousand, four hundred fifty-nine".

Divisors: 1 13 1409 3727 18317 48451 5251343 68267459