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68683041 = 3272334679
BaseRepresentation
bin1000001100000…
…00010100100001
311210020110102100
410012000110201
5120040324131
610452041013
71462540050
oct406002441
9153213370
1068683041
1135851649
121b003169
13112ca26b
14919c397
15606a7e6
hex4180521

68683041 has 24 divisors (see below), whose sum is σ = 113892480. Its totient is φ = 39070656.

The previous prime is 68683033. The next prime is 68683051. The reversal of 68683041 is 14038686.

It is a happy number.

It is not a de Polignac number, because 68683041 - 23 = 68683033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68682987 and 68683005.

It is not an unprimeable number, because it can be changed into a prime (68683031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12340 + ... + 17018.

It is an arithmetic number, because the mean of its divisors is an integer number (4745520).

Almost surely, 268683041 is an apocalyptic number.

It is an amenable number.

68683041 is a deficient number, since it is larger than the sum of its proper divisors (45209439).

68683041 is a wasteful number, since it uses less digits than its factorization.

68683041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925 (or 4922 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 68683041 is about 8287.5232126372. The cubic root of 68683041 is about 409.5275958987.

The spelling of 68683041 in words is "sixty-eight million, six hundred eighty-three thousand, forty-one".

Divisors: 1 3 7 9 21 63 233 699 1631 2097 4679 4893 14037 14679 32753 42111 98259 294777 1090207 3270621 7631449 9811863 22894347 68683041