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13998901 = 74914073
BaseRepresentation
bin110101011001…
…101100110101
3222100012212211
4311121230311
512040431101
61220013421
7226663060
oct65315465
928305784
1013998901
1179a1644
124831271
132b91a97
141c058d7
151367c51
hexd59b35

13998901 has 8 divisors (see below), whose sum is σ = 16035264. Its totient is φ = 11971680.

The previous prime is 13998889. The next prime is 13998911. The reversal of 13998901 is 10989931.

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

It is not a de Polignac number, because 13998901 - 27 = 13998773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13998911) 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, 1401 + ... + 5473.

It is an arithmetic number, because the mean of its divisors is an integer number (2004408).

Almost surely, 213998901 is an apocalyptic number.

It is an amenable number.

13998901 is a deficient number, since it is larger than the sum of its proper divisors (2036363).

13998901 is an equidigital number, since it uses as much as digits as its factorization.

13998901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 13998901 is about 3741.5105238393. The cubic root of 13998901 is about 241.0079197136.

The spelling of 13998901 in words is "thirteen million, nine hundred ninety-eight thousand, nine hundred one".

Divisors: 1 7 491 3437 4073 28511 1999843 13998901