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90298313 = 712899759
BaseRepresentation
bin1010110000111…
…01011111001001
320021220121222222
411120131133021
5141104021223
612543223425
72144344250
oct530353711
9207817888
1090298313
1146a75506
12262a7b75
1315927971
14bdc7797
157dda0c8
hex561d7c9

90298313 has 4 divisors (see below), whose sum is σ = 103198080. Its totient is φ = 77398548.

The previous prime is 90298301. The next prime is 90298333. The reversal of 90298313 is 31389209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90298313 - 26 = 90298249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90298333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6449873 + ... + 6449886.

It is an arithmetic number, because the mean of its divisors is an integer number (25799520).

Almost surely, 290298313 is an apocalyptic number.

It is an amenable number.

90298313 is a deficient number, since it is larger than the sum of its proper divisors (12899767).

90298313 is a wasteful number, since it uses less digits than its factorization.

90298313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12899766.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 90298313 is about 9502.5424492606. The cubic root of 90298313 is about 448.6350624185.

The spelling of 90298313 in words is "ninety million, two hundred ninety-eight thousand, three hundred thirteen".

Divisors: 1 7 12899759 90298313