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7238925 = 325232173
BaseRepresentation
bin11011100111010100001101
3111121202221100
4123213110031
53323121200
6415053313
7115346511
oct33472415
914552840
107238925
1140a4791
122511239
131665bb5
14d66141
1597ed00
hex6e750d

7238925 has 18 divisors (see below), whose sum is σ = 12966122. Its totient is φ = 3860640.

The previous prime is 7238911. The next prime is 7238927. The reversal of 7238925 is 5298327.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 285156 + 6953769 = 534^2 + 2637^2 .

It is not a de Polignac number, because 7238925 - 24 = 7238909 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7238925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7238927) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 15862 + ... + 16311.

Almost surely, 27238925 is an apocalyptic number.

7238925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7238925 is a deficient number, since it is larger than the sum of its proper divisors (5727197).

7238925 is a wasteful number, since it uses less digits than its factorization.

7238925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32189 (or 32181 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 7238925 is about 2690.5250416973. The cubic root of 7238925 is about 193.4452301773.

The spelling of 7238925 in words is "seven million, two hundred thirty-eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 32173 96519 160865 289557 482595 804325 1447785 2412975 7238925