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13719983 = 23837187
BaseRepresentation
bin110100010101…
…100110101111
3221211001021112
4310111212233
512003014413
61210022235
7224421644
oct64254657
927731245
1013719983
117821032
12471797b
132ac4b44
141b71dcb
1513102a8
hexd159af

13719983 has 8 divisors (see below), whose sum is σ = 14491008. Its totient is φ = 12963544.

The previous prime is 13719961. The next prime is 13719991. The reversal of 13719983 is 38991731.

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

It is a cyclic number.

It is not a de Polignac number, because 13719983 - 212 = 13715887 is a prime.

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 13719983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13719913) 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, 1685 + ... + 5502.

It is an arithmetic number, because the mean of its divisors is an integer number (1811376).

Almost surely, 213719983 is an apocalyptic number.

13719983 is a deficient number, since it is larger than the sum of its proper divisors (771025).

13719983 is an equidigital number, since it uses as much as digits as its factorization.

13719983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7293.

The product of its digits is 40824, while the sum is 41.

The square root of 13719983 is about 3704.0495407054. The cubic root of 13719983 is about 239.3965336585.

The spelling of 13719983 in words is "thirteen million, seven hundred nineteen thousand, nine hundred eighty-three".

Divisors: 1 23 83 1909 7187 165301 596521 13719983