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1397552 = 24136719
BaseRepresentation
bin101010101001100110000
32122000002012
411111030300
5324210202
645542052
714610332
oct5251460
92560065
101397552
11875002
12574928
1339c170
14285452
151c9152
hex155330

1397552 has 20 divisors (see below), whose sum is σ = 2916480. Its totient is φ = 644928.

The previous prime is 1397551. The next prime is 1397563. The reversal of 1397552 is 2557931.

It is not an unprimeable number, because it can be changed into a prime (1397551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3152 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (145824).

21397552 is an apocalyptic number.

It is an amenable number.

1397552 is an abundant number, since it is smaller than the sum of its proper divisors (1518928).

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

1397552 is a wasteful number, since it uses less digits than its factorization.

1397552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740 (or 6734 counting only the distinct ones).

The product of its digits is 9450, while the sum is 32.

The square root of 1397552 is about 1182.1810352057. The cubic root of 1397552 is about 111.8036525828.

The spelling of 1397552 in words is "one million, three hundred ninety-seven thousand, five hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 6719 13438 26876 53752 87347 107504 174694 349388 698776 1397552