Search a number
-
+
7399225 = 52436883
BaseRepresentation
bin11100001110011100111001
3111220220211101
4130032130321
53343233400
6422331401
7116615041
oct34163471
914826741
107399225
1141a4169
122589b61
1316c0b52
14da8721
159b256a
hex70e739

7399225 has 12 divisors (see below), whose sum is σ = 9389776. Its totient is φ = 5780880.

The previous prime is 7399181. The next prime is 7399237. The reversal of 7399225 is 5229937.

It is not a de Polignac number, because 7399225 - 217 = 7268153 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 73 + 35 + 96 + 97 + 25 + 217 + 59 .

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2367 + ... + 4516.

Almost surely, 27399225 is an apocalyptic number.

It is an amenable number.

7399225 is a deficient number, since it is larger than the sum of its proper divisors (1990551).

7399225 is a wasteful number, since it uses less digits than its factorization.

7399225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936 (or 6931 counting only the distinct ones).

The product of its digits is 34020, while the sum is 37.

The square root of 7399225 is about 2720.1516501842. The cubic root of 7399225 is about 194.8627129227.

The spelling of 7399225 in words is "seven million, three hundred ninety-nine thousand, two hundred twenty-five".

Divisors: 1 5 25 43 215 1075 6883 34415 172075 295969 1479845 7399225