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14640054 = 231113113151
BaseRepresentation
bin110111110110…
…001110110110
31000112210101020
4313312032312
512221440204
61241442010
7235303242
oct67661666
930483336
1014640054
11829a320
124aa0306
133057870
141d31422
151442bd9
hexdf63b6

14640054 has 64 divisors (see below), whose sum is σ = 34933248. Its totient is φ = 4032000.

The previous prime is 14640053. The next prime is 14640071. The reversal of 14640054 is 45004641.

It is a super-2 number, since 2×146400542 = 428662362245832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14640053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96879 + ... + 97029.

It is an arithmetic number, because the mean of its divisors is an integer number (545832).

Almost surely, 214640054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14640054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17466624).

14640054 is an abundant number, since it is smaller than the sum of its proper divisors (20293194).

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

14640054 is a wasteful number, since it uses less digits than its factorization.

14640054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 14640054 is about 3826.2323504983. The cubic root of 14640054 is about 244.6325409156.

Adding to 14640054 its reverse (45004641), we get a palindrome (59644695).

The spelling of 14640054 in words is "fourteen million, six hundred forty thousand, fifty-four".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 113 143 151 226 286 302 339 429 453 678 858 906 1243 1469 1661 1963 2486 2938 3322 3729 3926 4407 4983 5889 7458 8814 9966 11778 16159 17063 21593 32318 34126 43186 48477 51189 64779 96954 102378 129558 187693 221819 375386 443638 563079 665457 1126158 1330914 2440009 4880018 7320027 14640054