Search a number
14926731 = 3175412
BaseRepresentation
bin111000111100…
…001110001011
31001002100121220
4320330032023
512310123411
61251533123
7240606111
oct70741613
931070556
1014926731
118475746
124bba1a3
1331281b1
141da7ab1
15149cb06
hexe3c38b

14926731 has 12 divisors (see below), whose sum is σ = 21112056. Its totient is φ = 9348480.

The previous prime is 14926727. The next prime is 14926733. The reversal of 14926731 is 13762941.

It is not a de Polignac number, because 14926731 - 22 = 14926727 is a prime.

It is a super-2 number, since 2×149267312 = 445614596692722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14926692 and 14926701.

It is not an unprimeable number, because it can be changed into a prime (14926733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27321 + ... + 27861.

It is an arithmetic number, because the mean of its divisors is an integer number (1759338).

Almost surely, 214926731 is an apocalyptic number.

14926731 is the 2444-th centered pentagonal number.

14926731 is a deficient number, since it is larger than the sum of its proper divisors (6185325).

14926731 is an frugal number, since it uses more digits than its factorization.

14926731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 561 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 14926731 is about 3863.5127798417. The cubic root of 14926731 is about 246.2190032016.

The spelling of 14926731 in words is "fourteen million, nine hundred twenty-six thousand, seven hundred thirty-one".