Search a number
-
+
9840972 = 2231515431
BaseRepresentation
bin100101100010…
…100101001100
3200111222021110
4211202211030
510004402342
6550532020
7146434611
oct45424514
920458243
109840972
115611739
123367010
13206737b
141442508
15ce5c9c
hex96294c

9840972 has 24 divisors (see below), whose sum is σ = 23118592. Its totient is φ = 3258000.

The previous prime is 9840899. The next prime is 9840983. The reversal of 9840972 is 2790489.

It is a self number, because there is not a number n which added to its sum of digits gives 9840972.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904 + ... + 4527.

Almost surely, 29840972 is an apocalyptic number.

It is an amenable number.

9840972 is an abundant number, since it is smaller than the sum of its proper divisors (13277620).

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

9840972 is a wasteful number, since it uses less digits than its factorization.

9840972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589 (or 5587 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 9840972 is about 3137.0323555870. The cubic root of 9840972 is about 214.2953095386.

The spelling of 9840972 in words is "nine million, eight hundred forty thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 151 302 453 604 906 1812 5431 10862 16293 21724 32586 65172 820081 1640162 2460243 3280324 4920486 9840972