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9972568 = 231965609
BaseRepresentation
bin100110000010…
…101101011000
3200202122210101
4212002231120
510023110233
6553425144
7150523354
oct46025530
920678711
109972568
1156a15a1
12340b1b4
1320b2238
141478464
15d1ec7d
hex982b58

9972568 has 16 divisors (see below), whose sum is σ = 19683000. Its totient is φ = 4723776.

The previous prime is 9972559. The next prime is 9972569. The reversal of 9972568 is 8652799.

It is a super-2 number, since 2×99725682 = 198904225029248, which contains 22 as substring.

It is a d-powerful number, because it can be written as 94 + 94 + 78 + 221 + 53 + 63 + 87 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9972569) 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, 32653 + ... + 32956.

Almost surely, 29972568 is an apocalyptic number.

It is an amenable number.

9972568 is a deficient number, since it is larger than the sum of its proper divisors (9710432).

9972568 is a wasteful number, since it uses less digits than its factorization.

9972568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65634 (or 65630 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 9972568 is about 3157.9373014675. The cubic root of 9972568 is about 215.2462870819.

The spelling of 9972568 in words is "nine million, nine hundred seventy-two thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 19 38 76 152 65609 131218 262436 524872 1246571 2493142 4986284 9972568