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14405957 = 14939649
BaseRepresentation
bin110110111101…
…000101000101
31000002220020222
4312331011011
512141442312
61232434125
7233306606
oct66750505
930086228
1014405957
11814a455
1249a8945
132ca5147
141caddad
1513e8672
hexdbd145

14405957 has 4 divisors (see below), whose sum is σ = 14417100. Its totient is φ = 14394816.

The previous prime is 14405927. The next prime is 14405969. The reversal of 14405957 is 75950441.

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 6974881 + 7431076 = 2641^2 + 2726^2 .

It is a cyclic number.

It is not a de Polignac number, because 14405957 - 28 = 14405701 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 (14405927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3332 + ... + 6317.

It is an arithmetic number, because the mean of its divisors is an integer number (3604275).

Almost surely, 214405957 is an apocalyptic number.

It is an amenable number.

14405957 is a deficient number, since it is larger than the sum of its proper divisors (11143).

14405957 is an equidigital number, since it uses as much as digits as its factorization.

14405957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 14405957 is about 3795.5180147116. The cubic root of 14405957 is about 243.3216230473.

The spelling of 14405957 in words is "fourteen million, four hundred five thousand, nine hundred fifty-seven".

Divisors: 1 1493 9649 14405957