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930909717 = 32103434413
BaseRepresentation
bin110111011111001…
…000111000010101
32101212200010001200
4313133020320111
53401303102332
6232212343113
732032413333
oct6737107025
92355603050
10930909717
11438524281
1221b914a99
1311ab2976a
148b8c4b53
1556ad517c
hex377c8e15

930909717 has 6 divisors (see below), whose sum is σ = 1344647382. Its totient is φ = 620606472.

The previous prime is 930909703. The next prime is 930909719. The reversal of 930909717 is 717909039.

It can be written as a sum of positive squares in only one way, i.e., 910470276 + 20439441 = 30174^2 + 4521^2 .

It is not a de Polignac number, because 930909717 - 24 = 930909701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930909719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51717198 + ... + 51717215.

It is an arithmetic number, because the mean of its divisors is an integer number (224107897).

Almost surely, 2930909717 is an apocalyptic number.

It is an amenable number.

930909717 is a deficient number, since it is larger than the sum of its proper divisors (413737665).

930909717 is a wasteful number, since it uses less digits than its factorization.

930909717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103434419 (or 103434416 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 930909717 is about 30510.8131160086. The cubic root of 930909717 is about 976.4181744756.

The spelling of 930909717 in words is "nine hundred thirty million, nine hundred nine thousand, seven hundred seventeen".

Divisors: 1 3 9 103434413 310303239 930909717