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14914081 = 721321801
BaseRepresentation
bin111000111001…
…001000100001
31001001201021101
4320321020201
512304222311
61251354401
7240524200
oct70711041
931051241
1014914081
118467196
124bb2a01
133122500
141da3237
151498ec1
hexe39221

14914081 has 18 divisors (see below), whose sum is σ = 18796662. Its totient is φ = 11793600.

The previous prime is 14914063. The next prime is 14914093. The reversal of 14914081 is 18041941.

It can be written as a sum of positive squares in 3 ways, for example, as 625681 + 14288400 = 791^2 + 3780^2 .

It is not a de Polignac number, because 14914081 - 27 = 14913953 is a prime.

It is a super-2 number, since 2×149140812 = 444859624149122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14914001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7381 + ... + 9181.

It is an arithmetic number, because the mean of its divisors is an integer number (1044259).

Almost surely, 214914081 is an apocalyptic number.

It is an amenable number.

14914081 is a deficient number, since it is larger than the sum of its proper divisors (3882581).

14914081 is a wasteful number, since it uses less digits than its factorization.

14914081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841 (or 1821 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 14914081 is about 3861.8753216540. The cubic root of 14914081 is about 246.1494288996.

The spelling of 14914081 in words is "fourteen million, nine hundred fourteen thousand, eighty-one".

Divisors: 1 7 13 49 91 169 637 1183 1801 8281 12607 23413 88249 163891 304369 1147237 2130583 14914081