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14149649 = 25755057
BaseRepresentation
bin110101111110…
…100000010001
3222121212200002
4311332200101
512110242044
61223135345
7231161423
oct65764021
928555602
1014149649
117a94928
1248a4555
132c15597
141c44813
15139774e
hexd7e811

14149649 has 4 divisors (see below), whose sum is σ = 14204964. Its totient is φ = 14094336.

The previous prime is 14149643. The next prime is 14149657. The reversal of 14149649 is 94694141.

14149649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9042049 + 5107600 = 3007^2 + 2260^2 .

It is a cyclic number.

It is not a de Polignac number, because 14149649 - 212 = 14145553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14149643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27272 + ... + 27785.

It is an arithmetic number, because the mean of its divisors is an integer number (3551241).

Almost surely, 214149649 is an apocalyptic number.

It is an amenable number.

14149649 is a deficient number, since it is larger than the sum of its proper divisors (55315).

14149649 is an equidigital number, since it uses as much as digits as its factorization.

14149649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55314.

The product of its digits is 31104, while the sum is 38.

The square root of 14149649 is about 3761.6019193955. The cubic root of 14149649 is about 241.8699355727.

The spelling of 14149649 in words is "fourteen million, one hundred forty-nine thousand, six hundred forty-nine".

Divisors: 1 257 55057 14149649