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14494381 = 111317671
BaseRepresentation
bin110111010010…
…101010101101
31000021101112221
4313102222231
512202310011
61234355341
7234125446
oct67225255
930241487
1014494381
1181aa930
124a2bb51
133006475
141cd42cd
151414971
hexdd2aad

14494381 has 4 divisors (see below), whose sum is σ = 15812064. Its totient is φ = 13176700.

The previous prime is 14494379. The next prime is 14494399. The reversal of 14494381 is 18349441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18349441 = 111668131.

It is a cyclic number.

It is not a de Polignac number, because 14494381 - 21 = 14494379 is a prime.

It is a super-2 number, since 2×144943812 = 420174161146322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14494351) 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, 658825 + ... + 658846.

It is an arithmetic number, because the mean of its divisors is an integer number (3953016).

Almost surely, 214494381 is an apocalyptic number.

14494381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14494381 is a deficient number, since it is larger than the sum of its proper divisors (1317683).

14494381 is a wasteful number, since it uses less digits than its factorization.

14494381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317682.

The product of its digits is 13824, while the sum is 34.

The square root of 14494381 is about 3807.1486705933. The cubic root of 14494381 is about 243.8184452976.

The spelling of 14494381 in words is "fourteen million, four hundred ninety-four thousand, three hundred eighty-one".

Divisors: 1 11 1317671 14494381