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713447431 = 37107307587
BaseRepresentation
bin101010100001100…
…101100000000111
31211201110212212221
4222201211200013
52430120304211
6154443353211
723452126444
oct5241454007
91751425787
10713447431
113367a4684
1217ab22807
13b4a6a158
146aa789cb
154297bc71
hex2a865807

713447431 has 16 divisors (see below), whose sum is σ = 743250816. Its totient is φ = 684269856.

The previous prime is 713447429. The next prime is 713447447. The reversal of 713447431 is 134744317.

It is a cyclic number.

It is not a de Polignac number, because 713447431 - 21 = 713447429 is a prime.

It is a super-2 number, since 2×7134474312 = 1018014473600999522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713417431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215120 + ... + 1215706.

It is an arithmetic number, because the mean of its divisors is an integer number (46453176).

Almost surely, 2713447431 is an apocalyptic number.

713447431 is a deficient number, since it is larger than the sum of its proper divisors (29803385).

713447431 is a wasteful number, since it uses less digits than its factorization.

713447431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038.

The product of its digits is 28224, while the sum is 34.

The square root of 713447431 is about 26710.4367429662. The cubic root of 713447431 is about 893.5537041575.

The spelling of 713447431 in words is "seven hundred thirteen million, four hundred forty-seven thousand, four hundred thirty-one".

Divisors: 1 37 107 307 587 3959 11359 21719 32849 62809 180209 1215413 2323933 6667733 19282363 713447431