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14748881 = 72106983
BaseRepresentation
bin111000010000…
…110011010001
31000202022122212
4320100303101
512233431011
61244041505
7236235440
oct70206321
930668585
1014748881
118364064
124b33295
133095264
141d5cd57
15146508b
hexe10cd1

14748881 has 4 divisors (see below), whose sum is σ = 16855872. Its totient is φ = 12641892.

The previous prime is 14748869. The next prime is 14748887. The reversal of 14748881 is 18884741.

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 a cyclic number.

It is not a de Polignac number, because 14748881 - 26 = 14748817 is a prime.

It is a super-2 number, since 2×147488812 = 435058981504322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14748887) 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, 1053485 + ... + 1053498.

It is an arithmetic number, because the mean of its divisors is an integer number (4213968).

Almost surely, 214748881 is an apocalyptic number.

It is an amenable number.

14748881 is a deficient number, since it is larger than the sum of its proper divisors (2106991).

14748881 is an equidigital number, since it uses as much as digits as its factorization.

14748881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106990.

The product of its digits is 57344, while the sum is 41.

The square root of 14748881 is about 3840.4271897798. The cubic root of 14748881 is about 245.2372046708.

The spelling of 14748881 in words is "fourteen million, seven hundred forty-eight thousand, eight hundred eighty-one".

Divisors: 1 7 2106983 14748881