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14666261 = 137107053
BaseRepresentation
bin110111111100…
…101000010101
31000121010022212
4313330220111
512223310021
61242203205
7235442531
oct67745025
930533285
1014666261
118307a85
124ab3505
13306677c
141d3abc1
15144a85b
hexdfca15

14666261 has 4 divisors (see below), whose sum is σ = 14773452. Its totient is φ = 14559072.

The previous prime is 14666237. The next prime is 14666269. The reversal of 14666261 is 16266641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16266641 = 19856139.

It can be written as a sum of positive squares in 2 ways, for example, as 10176100 + 4490161 = 3190^2 + 2119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14666261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14666269) 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, 53390 + ... + 53663.

It is an arithmetic number, because the mean of its divisors is an integer number (3693363).

Almost surely, 214666261 is an apocalyptic number.

It is an amenable number.

14666261 is a deficient number, since it is larger than the sum of its proper divisors (107191).

14666261 is a wasteful number, since it uses less digits than its factorization.

14666261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107190.

The product of its digits is 10368, while the sum is 32.

The square root of 14666261 is about 3829.6554675323. The cubic root of 14666261 is about 244.7784252438.

The spelling of 14666261 in words is "fourteen million, six hundred sixty-six thousand, two hundred sixty-one".

Divisors: 1 137 107053 14666261