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13701973 = 24175669
BaseRepresentation
bin110100010001…
…001101010101
3221210010120111
4310101031111
512001430343
61205403021
7224315305
oct64211525
927703514
1013701973
11780954a
124709471
132ab989c
141b69605
151309c9d
hexd11355

13701973 has 4 divisors (see below), whose sum is σ = 13710060. Its totient is φ = 13693888.

The previous prime is 13701971. The next prime is 13701977. The reversal of 13701973 is 37910731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9199089 + 4502884 = 3033^2 + 2122^2 .

It is a cyclic number.

It is not a de Polignac number, because 13701973 - 21 = 13701971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13701971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418 + ... + 5251.

It is an arithmetic number, because the mean of its divisors is an integer number (3427515).

Almost surely, 213701973 is an apocalyptic number.

It is an amenable number.

13701973 is a deficient number, since it is larger than the sum of its proper divisors (8087).

13701973 is an equidigital number, since it uses as much as digits as its factorization.

13701973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8086.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 13701973 is about 3701.6176193659. The cubic root of 13701973 is about 239.2917371364.

The spelling of 13701973 in words is "thirteen million, seven hundred one thousand, nine hundred seventy-three".

Divisors: 1 2417 5669 13701973