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68526670 = 2550913463
BaseRepresentation
bin1000001010110…
…10001001001110
311202221111220211
410011122021032
5120020323140
610444433034
71461316132
oct405321116
9152844824
1068526670
1135755113
121ab4877a
1311274034
14915b3c2
1560392ea
hex415a24e

68526670 has 16 divisors (see below), whose sum is σ = 123599520. Its totient is φ = 27354784.

The previous prime is 68526631. The next prime is 68526691. The reversal of 68526670 is 7662586.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1642 + ... + 11821.

It is an arithmetic number, because the mean of its divisors is an integer number (7724970).

Almost surely, 268526670 is an apocalyptic number.

68526670 is a deficient number, since it is larger than the sum of its proper divisors (55072850).

68526670 is a wasteful number, since it uses less digits than its factorization.

68526670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13979.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68526670 is about 8278.0837154501. The cubic root of 68526670 is about 409.2165686104.

It can be divided in two parts, 68526 and 670, that added together give a palindrome (69196).

The spelling of 68526670 in words is "sixty-eight million, five hundred twenty-six thousand, six hundred seventy".

Divisors: 1 2 5 10 509 1018 2545 5090 13463 26926 67315 134630 6852667 13705334 34263335 68526670