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9957020 = 225497851
BaseRepresentation
bin100101111110…
…111010011100
3200201212110112
4211332322130
510022111040
6553225152
7150430133
oct45767234
920655415
109957020
115690947
1234021b8
1320a8138
14147291a
15d1a365
hex97ee9c

9957020 has 12 divisors (see below), whose sum is σ = 20909784. Its totient is φ = 3982800.

The previous prime is 9957001. The next prime is 9957029. The reversal of 9957020 is 207599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957029) 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, 248906 + ... + 248945.

It is an arithmetic number, because the mean of its divisors is an integer number (1742482).

Almost surely, 29957020 is an apocalyptic number.

It is an amenable number.

9957020 is an abundant number, since it is smaller than the sum of its proper divisors (10952764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9957020 is a wasteful number, since it uses less digits than its factorization.

9957020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497860 (or 497858 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 9957020 is about 3155.4746077254. The cubic root of 9957020 is about 215.1343670627.

The spelling of 9957020 in words is "nine million, nine hundred fifty-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 497851 995702 1991404 2489255 4978510 9957020