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14138973 = 324138317
BaseRepresentation
bin110101111011…
…111001011101
3222121100000200
4311323321131
512104421343
61223014113
7231115332
oct65737135
928540020
1014138973
117a87902
12489a339
132c10774
141c40989
1513944d3
hexd7be5d

14138973 has 12 divisors (see below), whose sum is σ = 20921628. Its totient is φ = 9195840.

The previous prime is 14138953. The next prime is 14138977. The reversal of 14138973 is 37983141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4235364 + 9903609 = 2058^2 + 3147^2 .

It is not a de Polignac number, because 14138973 - 212 = 14134877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14138977) 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 11 ways as a sum of consecutive naturals, for example, 18790 + ... + 19527.

It is an arithmetic number, because the mean of its divisors is an integer number (1743469).

Almost surely, 214138973 is an apocalyptic number.

It is an amenable number.

14138973 is a deficient number, since it is larger than the sum of its proper divisors (6782655).

14138973 is a wasteful number, since it uses less digits than its factorization.

14138973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38364 (or 38361 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 14138973 is about 3760.1825753546. The cubic root of 14138973 is about 241.8090894666.

The spelling of 14138973 in words is "fourteen million, one hundred thirty-eight thousand, nine hundred seventy-three".

Divisors: 1 3 9 41 123 369 38317 114951 344853 1570997 4712991 14138973