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9960020 = 225771143
BaseRepresentation
bin100101111111…
…101001010100
3200202000120122
4211333221110
510022210040
6553251112
7150441650
oct45775124
920660518
109960020
115693124
123403a98
1320a9605
141473a60
15d1b1b5
hex97fa54

9960020 has 24 divisors (see below), whose sum is σ = 23904384. Its totient is φ = 3414816.

The previous prime is 9959987. The next prime is 9960023. The reversal of 9960020 is 200699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9960023) 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, 35432 + ... + 35711.

It is an arithmetic number, because the mean of its divisors is an integer number (996016).

Almost surely, 29960020 is an apocalyptic number.

It is an amenable number.

9960020 is an abundant number, since it is smaller than the sum of its proper divisors (13944364).

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

9960020 is a wasteful number, since it uses less digits than its factorization.

9960020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71159 (or 71157 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 9960020 is about 3155.9499362316. The cubic root of 9960020 is about 215.1559711937.

The spelling of 9960020 in words is "nine million, nine hundred sixty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 71143 142286 284572 355715 498001 711430 996002 1422860 1992004 2490005 4980010 9960020