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14572405 = 52914481
BaseRepresentation
bin110111100101…
…101101110101
31000102100120201
4313211231311
512212304110
61240200501
7234602101
oct67455565
930370521
1014572405
118253511
124a69131
133032b33
141d14901
15142cb3a
hexde5b75

14572405 has 4 divisors (see below), whose sum is σ = 17486892. Its totient is φ = 11657920.

The previous prime is 14572391. The next prime is 14572421. The reversal of 14572405 is 50427541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50427541 = 61826681.

It can be written as a sum of positive squares in 2 ways, for example, as 5049009 + 9523396 = 2247^2 + 3086^2 .

It is not a de Polignac number, because 14572405 - 27 = 14572277 is a prime.

It is a Duffinian number.

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, 1457236 + ... + 1457245.

It is an arithmetic number, because the mean of its divisors is an integer number (4371723).

Almost surely, 214572405 is an apocalyptic number.

It is an amenable number.

14572405 is a deficient number, since it is larger than the sum of its proper divisors (2914487).

14572405 is an equidigital number, since it uses as much as digits as its factorization.

14572405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914486.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 14572405 is about 3817.3819562627. The cubic root of 14572405 is about 244.2551583689.

Adding to 14572405 its reverse (50427541), we get a palindrome (64999946).

The spelling of 14572405 in words is "fourteen million, five hundred seventy-two thousand, four hundred five".

Divisors: 1 5 2914481 14572405