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913086041 = 7218634409
BaseRepresentation
bin110110011011001…
…001011001011001
32100122010120120112
4312123021121121
53332222223131
6230334334105
731425050300
oct6633113131
92318116515
10913086041
1142946006a
1221595a335
13117228aca
14893a5437
155526402b
hex366c9659

913086041 has 6 divisors (see below), whose sum is σ = 1062161370. Its totient is φ = 782645136.

The previous prime is 913086023. The next prime is 913086047. The reversal of 913086041 is 140680319.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 653876041 + 259210000 = 25571^2 + 16100^2 .

It is a de Polignac number, because none of the positive numbers 2k-913086041 is a prime.

It is a super-2 number, since 2×9130860412 = 1667452236538107362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 913085989 and 913086007.

It is not an unprimeable number, because it can be changed into a prime (913086047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9317156 + ... + 9317253.

It is an arithmetic number, because the mean of its divisors is an integer number (177026895).

Almost surely, 2913086041 is an apocalyptic number.

It is an amenable number.

913086041 is a deficient number, since it is larger than the sum of its proper divisors (149075329).

913086041 is a wasteful number, since it uses less digits than its factorization.

913086041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18634423 (or 18634416 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 913086041 is about 30217.3135966783. The cubic root of 913086041 is about 970.1463062695.

The spelling of 913086041 in words is "nine hundred thirteen million, eighty-six thousand, forty-one".

Divisors: 1 7 49 18634409 130440863 913086041