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68770662 = 2336731231
BaseRepresentation
bin1000001100101…
…01101101100110
311210101220121120
410012111231212
5120101130122
610453554410
71463353362
oct406255546
9153356546
1068770662
1135901464
121b045a06
131132b0cc
1491c22a2
15608675c
hex4195b66

68770662 has 16 divisors (see below), whose sum is σ = 137920512. Its totient is φ = 22860360.

The previous prime is 68770651. The next prime is 68770693. The reversal of 68770662 is 26607786.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13414 + ... + 17817.

It is an arithmetic number, because the mean of its divisors is an integer number (8620032).

Almost surely, 268770662 is an apocalyptic number.

68770662 is an abundant number, since it is smaller than the sum of its proper divisors (69149850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68770662 is a wasteful number, since it uses less digits than its factorization.

68770662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31603.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 68770662 is about 8292.8078477678. The cubic root of 68770662 is about 409.7016707439.

The spelling of 68770662 in words is "sixty-eight million, seven hundred seventy thousand, six hundred sixty-two".

Divisors: 1 2 3 6 367 734 1101 2202 31231 62462 93693 187386 11461777 22923554 34385331 68770662