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1397537060 = 22569876853
BaseRepresentation
bin101001101001100…
…1011100100100100
310121101201020102212
41103103023210210
510330232141220
6350402022552
746426604033
oct12323134444
93541636385
101397537060
11657967307
12330047a58
131936c870a
14d387071a
1582a5a0c5
hex534cb924

1397537060 has 12 divisors (see below), whose sum is σ = 2934827868. Its totient is φ = 559014816.

The previous prime is 1397537059. The next prime is 1397537087. The reversal of 1397537060 is 607357931.

It can be written as a sum of positive squares in 2 ways, for example, as 991998016 + 405539044 = 31496^2 + 20138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1397536999 and 1397537017.

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, 34938407 + ... + 34938446.

It is an arithmetic number, because the mean of its divisors is an integer number (244568989).

Almost surely, 21397537060 is an apocalyptic number.

1397537060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1397537060 is an abundant number, since it is smaller than the sum of its proper divisors (1537290808).

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

1397537060 is a wasteful number, since it uses less digits than its factorization.

1397537060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69876862 (or 69876860 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 41.

The square root of 1397537060 is about 37383.6469595999. The cubic root of 1397537060 is about 1118.0325418314.

The spelling of 1397537060 in words is "one billion, three hundred ninety-seven million, five hundred thirty-seven thousand, sixty".

Divisors: 1 2 4 5 10 20 69876853 139753706 279507412 349384265 698768530 1397537060