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13958037 = 321791229
BaseRepresentation
bin110101001111…
…101110010101
3222021010211100
4311033232111
512033124122
61215100313
7226432662
oct65175625
928233740
1013958037
117973975
124811699
132b792c2
141bd4a69
15135aaac
hexd4fb95

13958037 has 12 divisors (see below), whose sum is σ = 21347820. Its totient is φ = 8757888.

The previous prime is 13958017. The next prime is 13958047. The reversal of 13958037 is 73085931.

13958037 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13024881 + 933156 = 3609^2 + 966^2 .

It is not a de Polignac number, because 13958037 - 220 = 12909461 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 13957992 and 13958010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13958017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45462 + ... + 45767.

It is an arithmetic number, because the mean of its divisors is an integer number (1778985).

Almost surely, 213958037 is an apocalyptic number.

13958037 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13958037 is a deficient number, since it is larger than the sum of its proper divisors (7389783).

13958037 is a wasteful number, since it uses less digits than its factorization.

13958037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91252 (or 91249 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 13958037 is about 3736.0456367662. The cubic root of 13958037 is about 240.7731835220.

The spelling of 13958037 in words is "thirteen million, nine hundred fifty-eight thousand, thirty-seven".

Divisors: 1 3 9 17 51 153 91229 273687 821061 1550893 4652679 13958037