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14005157 = 14999343
BaseRepresentation
bin110101011011…
…001110100101
3222100112110112
4311123032211
512041131112
61220102405
7230020235
oct65331645
928315415
1014005157
1179a6311
124834a05
132b9489a
141c07cc5
151369a22
hexd5b3a5

14005157 has 4 divisors (see below), whose sum is σ = 14016000. Its totient is φ = 13994316.

The previous prime is 14005153. The next prime is 14005163. The reversal of 14005157 is 75150041.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75150041 = 541713873.

It is a cyclic number.

It is not a de Polignac number, because 14005157 - 22 = 14005153 is a prime.

It is a super-2 number, since 2×140051572 = 392288845189298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14005153) 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, 3173 + ... + 6170.

It is an arithmetic number, because the mean of its divisors is an integer number (3504000).

Almost surely, 214005157 is an apocalyptic number.

It is an amenable number.

14005157 is a deficient number, since it is larger than the sum of its proper divisors (10843).

14005157 is an equidigital number, since it uses as much as digits as its factorization.

14005157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10842.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 14005157 is about 3742.3464564361. The cubic root of 14005157 is about 241.0438158886.

Adding to 14005157 its reverse (75150041), we get a palindrome (89155198).

The spelling of 14005157 in words is "fourteen million, five thousand, one hundred fifty-seven".

Divisors: 1 1499 9343 14005157