Search a number
-
+
9720452 = 2272911971
BaseRepresentation
bin100101000101…
…001010000100
3200021211221202
4211011022010
54442023302
6544202032
7145423340
oct45051204
920254852
109720452
11553a135
123309318
132024561
141410620
15cc0202
hex945284

9720452 has 24 divisors (see below), whose sum is σ = 20112960. Its totient is φ = 4021920.

The previous prime is 9720449. The next prime is 9720463. The reversal of 9720452 is 2540279.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 5174 + ... + 6797.

It is an arithmetic number, because the mean of its divisors is an integer number (838040).

Almost surely, 29720452 is an apocalyptic number.

It is an amenable number.

9720452 is an abundant number, since it is smaller than the sum of its proper divisors (10392508).

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

9720452 is a wasteful number, since it uses less digits than its factorization.

9720452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011 (or 12009 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 9720452 is about 3117.7639423151. The cubic root of 9720452 is about 213.4169062753.

The spelling of 9720452 in words is "nine million, seven hundred twenty thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 11971 23942 47884 83797 167594 335188 347159 694318 1388636 2430113 4860226 9720452