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14523641 = 111320331
BaseRepresentation
bin110111011001…
…110011111001
31000022212200122
4313121303321
512204224031
61235143025
7234306656
oct67316371
930285618
1014523641
11821a910
124a44a75
133016892
141d00c2d
15141d47b
hexdd9cf9

14523641 has 4 divisors (see below), whose sum is σ = 15843984. Its totient is φ = 13203300.

The previous prime is 14523631. The next prime is 14523671. The reversal of 14523641 is 14632541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14523641 - 214 = 14507257 is a prime.

It is a super-2 number, since 2×145236412 = 421872295793762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14523641.

It is not an unprimeable number, because it can be changed into a prime (14523601) 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, 660155 + ... + 660176.

It is an arithmetic number, because the mean of its divisors is an integer number (3960996).

Almost surely, 214523641 is an apocalyptic number.

14523641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14523641 is a deficient number, since it is larger than the sum of its proper divisors (1320343).

14523641 is a wasteful number, since it uses less digits than its factorization.

14523641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320342.

The product of its digits is 2880, while the sum is 26.

The square root of 14523641 is about 3810.9895040527. The cubic root of 14523641 is about 243.9824015346.

Subtracting 14523641 from its reverse (14632541), we obtain a square (108900 = 3302).

The spelling of 14523641 in words is "fourteen million, five hundred twenty-three thousand, six hundred forty-one".

Divisors: 1 11 1320331 14523641