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7242925 = 52289717
BaseRepresentation
bin11011101000010010101101
3111121222102111
4123220102231
53323233200
6415124021
7115364254
oct33502255
914558374
107242925
1140a7798
122513611
131667971
14d6779b
159810ba
hex6e84ad

7242925 has 6 divisors (see below), whose sum is σ = 8981258. Its totient is φ = 5794320.

The previous prime is 7242887. The next prime is 7242943. The reversal of 7242925 is 5292427.

It can be written as a sum of positive squares in 3 ways, for example, as 1444 + 7241481 = 38^2 + 2691^2 .

It is not a de Polignac number, because 7242925 - 221 = 5145773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144834 + ... + 144883.

Almost surely, 27242925 is an apocalyptic number.

It is an amenable number.

7242925 is a deficient number, since it is larger than the sum of its proper divisors (1738333).

7242925 is a wasteful number, since it uses less digits than its factorization.

7242925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289727 (or 289722 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 7242925 is about 2691.2682883726. The cubic root of 7242925 is about 193.4808541796.

The spelling of 7242925 in words is "seven million, two hundred forty-two thousand, nine hundred twenty-five".

Divisors: 1 5 25 289717 1448585 7242925