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8913081 = 37340699
BaseRepresentation
bin100010000000…
…000010111001
3121202211110010
4202000002321
54240204311
6515012133
7135521442
oct42000271
917684403
108913081
115038591
122b9a049
131b00c18
1412802c9
15bb0da6
hex8800b9

8913081 has 8 divisors (see below), whose sum is σ = 12047200. Its totient is φ = 5860512.

The previous prime is 8913067. The next prime is 8913103. The reversal of 8913081 is 1803198.

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

It is a de Polignac number, because none of the positive numbers 2k-8913081 is a prime.

It is a super-2 number, since 2×89130812 = 158886025825122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8913181) 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 7 ways as a sum of consecutive naturals, for example, 20131 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (1505900).

Almost surely, 28913081 is an apocalyptic number.

It is an amenable number.

8913081 is a deficient number, since it is larger than the sum of its proper divisors (3134119).

8913081 is a wasteful number, since it uses less digits than its factorization.

8913081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40775.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 8913081 is about 2985.4783536311. The cubic root of 8913081 is about 207.3365897851.

The spelling of 8913081 in words is "eight million, nine hundred thirteen thousand, eighty-one".

Divisors: 1 3 73 219 40699 122097 2971027 8913081