Search a number
-
+
9972924 = 2231363929
BaseRepresentation
bin100110000010…
…110010111100
3200202200021120
4212002302330
510023113144
6553430540
7150524403
oct46026274
920680246
109972924
1156a1895
12340b450
1320b2450
14147863a
15d1ee19
hex982cbc

9972924 has 24 divisors (see below), whose sum is σ = 25060560. Its totient is φ = 3068544.

The previous prime is 9972913. The next prime is 9972973. The reversal of 9972924 is 4292799.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31809 + ... + 32120.

It is an arithmetic number, because the mean of its divisors is an integer number (1044190).

Almost surely, 29972924 is an apocalyptic number.

It is an amenable number.

9972924 is an abundant number, since it is smaller than the sum of its proper divisors (15087636).

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

9972924 is a wasteful number, since it uses less digits than its factorization.

9972924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63949 (or 63947 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 9972924 is about 3157.9936668714. The cubic root of 9972924 is about 215.2488483335.

The spelling of 9972924 in words is "nine million, nine hundred seventy-two thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 63929 127858 191787 255716 383574 767148 831077 1662154 2493231 3324308 4986462 9972924