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68974635 = 3511340693
BaseRepresentation
bin1000001110001…
…11100000101011
311210210021102010
410013013200223
5120124142020
610502211003
71465163142
oct407074053
9153707363
1068974635
1135a30734
121b123a63
131139cbc2
149236759
1560c6de0
hex41c782b

68974635 has 16 divisors (see below), whose sum is σ = 111338784. Its totient is φ = 36460032.

The previous prime is 68974621. The next prime is 68974637. The reversal of 68974635 is 53647986.

It is not a de Polignac number, because 68974635 - 25 = 68974603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68974637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18652 + ... + 22041.

It is an arithmetic number, because the mean of its divisors is an integer number (6958674).

Almost surely, 268974635 is an apocalyptic number.

68974635 is a deficient number, since it is larger than the sum of its proper divisors (42364149).

68974635 is a wasteful number, since it uses less digits than its factorization.

68974635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40814.

The product of its digits is 1088640, while the sum is 48.

The square root of 68974635 is about 8305.0969289949. The cubic root of 68974635 is about 410.1063277670.

The spelling of 68974635 in words is "sixty-eight million, nine hundred seventy-four thousand, six hundred thirty-five".

Divisors: 1 3 5 15 113 339 565 1695 40693 122079 203465 610395 4598309 13794927 22991545 68974635