Search a number
-
+
7490872 = 233725307
BaseRepresentation
bin11100100100110100111000
3112002120112201
4130210310320
53404201442
6424315544
7120446164
oct34446470
915076481
107490872
114257004
122612bb4
13172378c
14dcdca4
159ce7b7
hex724d38

7490872 has 16 divisors (see below), whose sum is σ = 14425560. Its totient is φ = 3644064.

The previous prime is 7490869. The next prime is 7490927. The reversal of 7490872 is 2780947.

It is a happy number.

It is a super-2 number, since 2×74908722 = 112226326640768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 12358 + ... + 12949.

Almost surely, 27490872 is an apocalyptic number.

It is an amenable number.

7490872 is a deficient number, since it is larger than the sum of its proper divisors (6934688).

7490872 is a wasteful number, since it uses less digits than its factorization.

7490872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25350 (or 25346 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 7490872 is about 2736.9457429770. The cubic root of 7490872 is about 195.6639389053.

The spelling of 7490872 in words is "seven million, four hundred ninety thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 37 74 148 296 25307 50614 101228 202456 936359 1872718 3745436 7490872