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14137969 = 72719447
BaseRepresentation
bin110101111011…
…101001110001
3222121021122111
4311323221301
512104403334
61223005321
7231112366
oct65735161
928537574
1014137969
117a8707a
124899841
132c10181
141c4046d
151394064
hexd7ba71

14137969 has 4 divisors (see below), whose sum is σ = 14158144. Its totient is φ = 14117796.

The previous prime is 14137961. The next prime is 14137973. The reversal of 14137969 is 96973141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14137969 - 23 = 14137961 is a prime.

It is a super-2 number, since 2×141379692 = 399764334889922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14137961) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8997 + ... + 10450.

It is an arithmetic number, because the mean of its divisors is an integer number (3539536).

Almost surely, 214137969 is an apocalyptic number.

It is an amenable number.

14137969 is a deficient number, since it is larger than the sum of its proper divisors (20175).

14137969 is an equidigital number, since it uses as much as digits as its factorization.

14137969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20174.

The product of its digits is 40824, while the sum is 40.

The square root of 14137969 is about 3760.0490688288. The cubic root of 14137969 is about 241.8033657582.

The spelling of 14137969 in words is "fourteen million, one hundred thirty-seven thousand, nine hundred sixty-nine".

Divisors: 1 727 19447 14137969