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14509144 = 2313139511
BaseRepresentation
bin110111010110…
…010001011000
31000022010210201
4313112101120
512203243034
61234551544
7234216466
oct67262130
930263721
1014509144
11820aa31
124a385b4
1330100c0
141cd9836
151419014
hexdd6458

14509144 has 16 divisors (see below), whose sum is σ = 29297520. Its totient is φ = 6696480.

The previous prime is 14509133. The next prime is 14509151. The reversal of 14509144 is 44190541.

14509144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145091442 = 421030519225472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69652 + ... + 69859.

It is an arithmetic number, because the mean of its divisors is an integer number (1831095).

Almost surely, 214509144 is an apocalyptic number.

It is an amenable number.

14509144 is an abundant number, since it is smaller than the sum of its proper divisors (14788376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14509144 is a wasteful number, since it uses less digits than its factorization.

14509144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139530 (or 139526 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 14509144 is about 3809.0870297225. The cubic root of 14509144 is about 243.9011962233.

Adding to 14509144 its reverse (44190541), we get a palindrome (58699685).

The spelling of 14509144 in words is "fourteen million, five hundred nine thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 139511 279022 558044 1116088 1813643 3627286 7254572 14509144