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9490681 = 31595189
BaseRepresentation
bin100100001101…
…000011111001
3122212011202201
4210031003321
54412200211
6535230201
7143445424
oct44150371
918764681
109490681
1153a2542
123218361
131c73ab5
1413909bb
15c770c1
hex90d0f9

9490681 has 8 divisors (see below), whose sum is σ = 9964800. Its totient is φ = 9027120.

The previous prime is 9490673. The next prime is 9490687. The reversal of 9490681 is 1860949.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9490681 - 23 = 9490673 is a prime.

It is a super-2 number, since 2×94906812 = 180146051687522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9490681.

It is not an unprimeable number, because it can be changed into a prime (9490687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766 + ... + 4423.

It is an arithmetic number, because the mean of its divisors is an integer number (1245600).

Almost surely, 29490681 is an apocalyptic number.

It is an amenable number.

9490681 is a deficient number, since it is larger than the sum of its proper divisors (474119).

9490681 is a wasteful number, since it uses less digits than its factorization.

9490681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 9490681 is about 3080.6948891443. The cubic root of 9490681 is about 211.7219045562.

The spelling of 9490681 in words is "nine million, four hundred ninety thousand, six hundred eighty-one".

Divisors: 1 31 59 1829 5189 160859 306151 9490681