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16713431 = 717140449
BaseRepresentation
bin111111110000…
…011011010111
31011110010111222
4333300123113
513234312211
61354120555
7262030130
oct77603327
934403458
1016713431
119486059
12572015b
133602507
142310c87
1517021db
hexff06d7

16713431 has 8 divisors (see below), whose sum is σ = 20224800. Its totient is φ = 13483008.

The previous prime is 16713419. The next prime is 16713439. The reversal of 16713431 is 13431761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16713431 - 218 = 16451287 is a prime.

It is a super-2 number, since 2×167134312 = 558677551583522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16713431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16713439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70106 + ... + 70343.

It is an arithmetic number, because the mean of its divisors is an integer number (2528100).

Almost surely, 216713431 is an apocalyptic number.

16713431 is a deficient number, since it is larger than the sum of its proper divisors (3511369).

16713431 is a wasteful number, since it uses less digits than its factorization.

16713431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140473.

The product of its digits is 1512, while the sum is 26.

The square root of 16713431 is about 4088.2063304095. The cubic root of 16713431 is about 255.6751606978.

The spelling of 16713431 in words is "sixteen million, seven hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 7 17 119 140449 983143 2387633 16713431