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14215161 = 38357089
BaseRepresentation
bin110110001110…
…011111111001
3222202012112110
4312032133321
512114341121
61224402533
7231553422
oct66163771
928665473
1014215161
11802a074
124916449
132c3934c
141c60649
1513abd76
hexd8e7f9

14215161 has 8 divisors (see below), whose sum is σ = 19182240. Its totient is φ = 9362432.

The previous prime is 14215139. The next prime is 14215171. The reversal of 14215161 is 16151241.

14215161 is nontrivially palindromic in base 5.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14215161 - 25 = 14215129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14215121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28296 + ... + 28793.

It is an arithmetic number, because the mean of its divisors is an integer number (2397780).

Almost surely, 214215161 is an apocalyptic number.

It is an amenable number.

14215161 is a deficient number, since it is larger than the sum of its proper divisors (4967079).

14215161 is an equidigital number, since it uses as much as digits as its factorization.

14215161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57175.

The product of its digits is 240, while the sum is 21.

The square root of 14215161 is about 3770.2998554492. The cubic root of 14215161 is about 242.2426419097.

The spelling of 14215161 in words is "fourteen million, two hundred fifteen thousand, one hundred sixty-one".

Divisors: 1 3 83 249 57089 171267 4738387 14215161