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14309885 = 52861977
BaseRepresentation
bin110110100101…
…100111111101
3222221000110202
4312211213331
512130404020
61230413245
7232426532
oct66454775
928830422
1014309885
118094257
124961225
132c704b5
141c86d89
1513c9e75
hexda59fd

14309885 has 4 divisors (see below), whose sum is σ = 17171868. Its totient is φ = 11447904.

The previous prime is 14309873. The next prime is 14309899. The reversal of 14309885 is 58890341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5583769 + 8726116 = 2363^2 + 2954^2 .

It is a cyclic number.

It is not a de Polignac number, because 14309885 - 26 = 14309821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430984 + ... + 1430993.

It is an arithmetic number, because the mean of its divisors is an integer number (4292967).

Almost surely, 214309885 is an apocalyptic number.

It is an amenable number.

14309885 is a deficient number, since it is larger than the sum of its proper divisors (2861983).

14309885 is an equidigital number, since it uses as much as digits as its factorization.

14309885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861982.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 14309885 is about 3782.8408636896. The cubic root of 14309885 is about 242.7795196807.

The spelling of 14309885 in words is "fourteen million, three hundred nine thousand, eight hundred eighty-five".

Divisors: 1 5 2861977 14309885