Search a number
-
+
9914720 = 25561967
BaseRepresentation
bin100101110100…
…100101100000
3200122201102212
4211310211200
510014232340
6552301252
7150162614
oct45644540
920581385
109914720
115662092
1233a1828
132091aca
141461344
15d0ca65
hex974960

9914720 has 24 divisors (see below), whose sum is σ = 23423904. Its totient is φ = 3965824.

The previous prime is 9914719. The next prime is 9914747. The reversal of 9914720 is 274199.

9914720 = T269 + T270 + ... + T428.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30824 + ... + 31143.

It is an arithmetic number, because the mean of its divisors is an integer number (975996).

Almost surely, 29914720 is an apocalyptic number.

It is an amenable number.

9914720 is an abundant number, since it is smaller than the sum of its proper divisors (13509184).

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

9914720 is a wasteful number, since it uses less digits than its factorization.

9914720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61982 (or 61974 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 9914720 is about 3148.7648372020. The cubic root of 9914720 is about 214.8292857943.

The spelling of 9914720 in words is "nine million, nine hundred fourteen thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 61967 123934 247868 309835 495736 619670 991472 1239340 1982944 2478680 4957360 9914720