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14464138 = 213556313
BaseRepresentation
bin110111001011…
…010010001010
31000012212001211
4313023102022
512200323023
61234003334
7233641333
oct67132212
930185054
1014464138
11818a137
124a1654a
132cc5780
141cc728a
15140aa0d
hexdcb48a

14464138 has 8 divisors (see below), whose sum is σ = 23365188. Its totient is φ = 6675744.

The previous prime is 14464133. The next prime is 14464169. The reversal of 14464138 is 83146441.

14464138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12766329 + 1697809 = 3573^2 + 1303^2 .

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

It is a super-2 number, since 2×144641382 = 418422576166088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14464133) 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, 278131 + ... + 278182.

Almost surely, 214464138 is an apocalyptic number.

14464138 is a deficient number, since it is larger than the sum of its proper divisors (8901050).

14464138 is a wasteful number, since it uses less digits than its factorization.

14464138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556328.

The product of its digits is 9216, while the sum is 31.

The square root of 14464138 is about 3803.1747264621. The cubic root of 14464138 is about 243.6487488304.

The spelling of 14464138 in words is "fourteen million, four hundred sixty-four thousand, one hundred thirty-eight".

Divisors: 1 2 13 26 556313 1112626 7232069 14464138