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90009113 = 974671987
BaseRepresentation
bin1010101110101…
…10111000011001
320021100221021212
411113112320121
5141020242423
612533112505
72142031145
oct527267031
9207327255
1090009113
11468981a7
1226188735
131585613c
14bd50225
157d7e578
hex55d6e19

90009113 has 8 divisors (see below), whose sum is σ = 91177632. Its totient is φ = 88845696.

The previous prime is 90009053. The next prime is 90009119. The reversal of 90009113 is 31190009.

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 90009113 - 216 = 89943577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90009119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44306 + ... + 46292.

It is an arithmetic number, because the mean of its divisors is an integer number (11397204).

Almost surely, 290009113 is an apocalyptic number.

It is an amenable number.

90009113 is a deficient number, since it is larger than the sum of its proper divisors (1168519).

90009113 is a wasteful number, since it uses less digits than its factorization.

90009113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 90009113 is about 9487.3132656195. The cubic root of 90009113 is about 448.1555997161.

The spelling of 90009113 in words is "ninety million, nine thousand, one hundred thirteen".

Divisors: 1 97 467 1987 45299 192739 927929 90009113