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93013009 = 97958897
BaseRepresentation
bin1011000101101…
…00010000010001
320111000112212021
411202310100101
5142302404014
613121331441
72206411645
oct542642021
9214015767
1093013009
114855a061
1227196b81
13163684ab
14c4d2c25
158274624
hex58b4411

93013009 has 4 divisors (see below), whose sum is σ = 93972004. Its totient is φ = 92054016.

The previous prime is 93013007. The next prime is 93013027. The reversal of 93013009 is 90031039.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25000000 + 68013009 = 5000^2 + 8247^2 .

It is a cyclic number.

It is not a de Polignac number, because 93013009 - 21 = 93013007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93013007) 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, 479352 + ... + 479545.

It is an arithmetic number, because the mean of its divisors is an integer number (23493001).

Almost surely, 293013009 is an apocalyptic number.

It is an amenable number.

93013009 is a deficient number, since it is larger than the sum of its proper divisors (958995).

93013009 is an equidigital number, since it uses as much as digits as its factorization.

93013009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958994.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 93013009 is about 9644.3252226374. The cubic root of 93013009 is about 453.0866138168.

The spelling of 93013009 in words is "ninety-three million, thirteen thousand, nine".

Divisors: 1 97 958897 93013009