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9920113 = 71417159
BaseRepresentation
bin100101110101…
…111001110001
3200122222211121
4211311321301
510014420423
6552342241
7150214420
oct45657161
920588747
109920113
115666145
1233a4981
1320943b8
1414632b7
15d0e45d
hex975e71

9920113 has 4 divisors (see below), whose sum is σ = 11337280. Its totient is φ = 8502948.

The previous prime is 9920111. The next prime is 9920123. The reversal of 9920113 is 3110299.

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 9920113 - 21 = 9920111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9920111) 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, 708573 + ... + 708586.

It is an arithmetic number, because the mean of its divisors is an integer number (2834320).

Almost surely, 29920113 is an apocalyptic number.

It is an amenable number.

9920113 is a deficient number, since it is larger than the sum of its proper divisors (1417167).

9920113 is a wasteful number, since it uses less digits than its factorization.

9920113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417166.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 9920113 is about 3149.6210883216. The cubic root of 9920113 is about 214.8682300555.

The spelling of 9920113 in words is "nine million, nine hundred twenty thousand, one hundred thirteen".

Divisors: 1 7 1417159 9920113