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14230681 = 371392767
BaseRepresentation
bin110110010010…
…010010011001
3222202222211021
4312102102121
512120340211
61225002441
7231646603
oct66222231
928688737
1014230681
11803a7a3
124923421
132c4342a
141c66173
1513b1771
hexd92499

14230681 has 8 divisors (see below), whose sum is σ = 14725760. Its totient is φ = 13741488.

The previous prime is 14230673. The next prime is 14230703. The reversal of 14230681 is 18603241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14230681 - 23 = 14230673 is a prime.

It is a super-2 number, since 2×142306812 = 405024563447522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14230621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3760 + ... + 6526.

It is an arithmetic number, because the mean of its divisors is an integer number (1840720).

Almost surely, 214230681 is an apocalyptic number.

It is an amenable number.

14230681 is a deficient number, since it is larger than the sum of its proper divisors (495079).

14230681 is a wasteful number, since it uses less digits than its factorization.

14230681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 14230681 is about 3772.3574857110. The cubic root of 14230681 is about 242.3307693767.

The spelling of 14230681 in words is "fourteen million, two hundred thirty thousand, six hundred eighty-one".

Divisors: 1 37 139 2767 5143 102379 384613 14230681