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713481931 = 1487479813
BaseRepresentation
bin101010100001101…
…101111011001011
31211201112122012201
4222201231323023
52430122410211
6154444221031
723452332151
oct5241557313
91751478181
10713481931
11336818598
1217ab3a777
13b4a7ca76
146aa873d1
15429870c1
hex2a86decb

713481931 has 4 divisors (see below), whose sum is σ = 713963232. Its totient is φ = 713000632.

The previous prime is 713481913. The next prime is 713481953. The reversal of 713481931 is 139184317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139184317 = 831116747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-713481931 is a prime.

It is a super-2 number, since 2×7134819312 = 1018112931726977522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713481961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238420 + ... + 241393.

It is an arithmetic number, because the mean of its divisors is an integer number (178490808).

Almost surely, 2713481931 is an apocalyptic number.

713481931 is a deficient number, since it is larger than the sum of its proper divisors (481301).

713481931 is a wasteful number, since it uses less digits than its factorization.

713481931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481300.

The product of its digits is 18144, while the sum is 37.

The square root of 713481931 is about 26711.0825501326. The cubic root of 713481931 is about 893.5681070435.

The spelling of 713481931 in words is "seven hundred thirteen million, four hundred eighty-one thousand, nine hundred thirty-one".

Divisors: 1 1487 479813 713481931