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9972895 = 57389307
BaseRepresentation
bin100110000010…
…110010011111
3200202200020111
4212002302133
510023113040
6553430451
7150524332
oct46026237
920680214
109972895
1156a1869
12340b427
1320b242a
141478619
15d1edea
hex982c9f

9972895 has 16 divisors (see below), whose sum is σ = 12307680. Its totient is φ = 7755264.

The previous prime is 9972811. The next prime is 9972913. The reversal of 9972895 is 5982799.

9972895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9972895 - 29 = 9972383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32332 + ... + 32638.

It is an arithmetic number, because the mean of its divisors is an integer number (769230).

Almost surely, 29972895 is an apocalyptic number.

9972895 is a deficient number, since it is larger than the sum of its proper divisors (2334785).

9972895 is a wasteful number, since it uses less digits than its factorization.

9972895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its digits is 408240, while the sum is 49.

The square root of 9972895 is about 3157.9890753453. The cubic root of 9972895 is about 215.2486396945.

The spelling of 9972895 in words is "nine million, nine hundred seventy-two thousand, eight hundred ninety-five".

Divisors: 1 5 73 89 307 365 445 1535 6497 22411 27323 32485 112055 136615 1994579 9972895