Search a number
BaseRepresentation
bin101010100101100010000
32121220020011
411110230100
5324123342
645524304
714601301
oct5245420
92556204
101395472
11873491
12573694
1339b230
142847a8
151c8717
hex154b10

1395472 has 20 divisors (see below), whose sum is σ = 2912140. Its totient is φ = 643968.

The previous prime is 1395469. The next prime is 1395481. The reversal of 1395472 is 2745931.

It can be written as a sum of positive squares in 2 ways, for example, as 541696 + 853776 = 736^2 + 924^2 .

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, 3147 + ... + 3562.

It is an arithmetic number, because the mean of its divisors is an integer number (145607).

21395472 is an apocalyptic number.

It is an amenable number.

1395472 is an abundant number, since it is smaller than the sum of its proper divisors (1516668).

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

1395472 is a wasteful number, since it uses less digits than its factorization.

1395472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730 (or 6724 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 1395472 is about 1181.3009777360. The cubic root of 1395472 is about 111.7481586278.

The spelling of 1395472 in words is "one million, three hundred ninety-five thousand, four hundred seventy-two".