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68422135 = 519237907
BaseRepresentation
bin1000001010000…
…00100111110111
311202202012112011
410011000213313
5120004002020
610442305051
71460402305
oct405004767
9152665464
1068422135
1135693621
121aab8187
1311238592
149131275
15601835a
hex41409f7

68422135 has 12 divisors (see below), whose sum is σ = 86657688. Its totient is φ = 51855408.

The previous prime is 68422111. The next prime is 68422187. The reversal of 68422135 is 53122486.

It is not a de Polignac number, because 68422135 - 25 = 68422103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68422097 and 68422106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17149 + ... + 20758.

It is an arithmetic number, because the mean of its divisors is an integer number (7221474).

Almost surely, 268422135 is an apocalyptic number.

68422135 is a deficient number, since it is larger than the sum of its proper divisors (18235553).

68422135 is a wasteful number, since it uses less digits than its factorization.

68422135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37950 (or 37931 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 68422135 is about 8271.7673444071. The cubic root of 68422135 is about 409.0083809355.

The spelling of 68422135 in words is "sixty-eight million, four hundred twenty-two thousand, one hundred thirty-five".

Divisors: 1 5 19 95 361 1805 37907 189535 720233 3601165 13684427 68422135