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13931703 = 333471487
BaseRepresentation
bin110101001001…
…010010110111
3222012210201000
4311021102313
512031303303
61214334343
7226263132
oct65112267
928183630
1013931703
117956105
1247ba3b3
132b6a316
141bc9219
151352da3
hexd494b7

13931703 has 16 divisors (see below), whose sum is σ = 20712960. Its totient is φ = 9254808.

The previous prime is 13931683. The next prime is 13931707. The reversal of 13931703 is 30713931.

It is not a de Polignac number, because 13931703 - 26 = 13931639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13931707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8626 + ... + 10112.

It is an arithmetic number, because the mean of its divisors is an integer number (1294560).

Almost surely, 213931703 is an apocalyptic number.

13931703 is a deficient number, since it is larger than the sum of its proper divisors (6781257).

13931703 is a wasteful number, since it uses less digits than its factorization.

13931703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 13931703 is about 3732.5196583541. The cubic root of 13931703 is about 240.6216695553.

The spelling of 13931703 in words is "thirteen million, nine hundred thirty-one thousand, seven hundred three".

Divisors: 1 3 9 27 347 1041 1487 3123 4461 9369 13383 40149 515989 1547967 4643901 13931703