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68607029 = 59219709
BaseRepresentation
bin1000001011011…
…01110000110101
311210002121011002
410011231300311
5120030411104
610450253045
71462102331
oct405556065
9153077132
1068607029
11357aa527
121ab87185
13112a179a
14917c7c1
15605301e
hex416dc35

68607029 has 6 divisors (see below), whose sum is σ = 69793110. Its totient is φ = 67440776.

The previous prime is 68607017. The next prime is 68607037. The reversal of 68607029 is 92070686.

It can be written as a sum of positive squares in only one way, i.e., 58828900 + 9778129 = 7670^2 + 3127^2 .

It is not a de Polignac number, because 68607029 - 24 = 68607013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68606983 and 68607001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68600029) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 6374 + ... + 13335.

It is an arithmetic number, because the mean of its divisors is an integer number (11632185).

Almost surely, 268607029 is an apocalyptic number.

It is an amenable number.

68607029 is a deficient number, since it is larger than the sum of its proper divisors (1186081).

68607029 is an equidigital number, since it uses as much as digits as its factorization.

68607029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19827 (or 19768 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 68607029 is about 8282.9360132745. The cubic root of 68607029 is about 409.3764644510.

The spelling of 68607029 in words is "sixty-eight million, six hundred seven thousand, twenty-nine".

Divisors: 1 59 3481 19709 1162831 68607029