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14893893 = 327233773
BaseRepresentation
bin111000110100…
…001101000101
31001000200120200
4320310031011
512303101033
61251121113
7240411300
oct70641505
931020520
1014893893
118453003
124ba3199
133116271
141d99b37
151493013
hexe34345

14893893 has 18 divisors (see below), whose sum is σ = 25026534. Its totient is φ = 8510544.

The previous prime is 14893873. The next prime is 14893897. The reversal of 14893893 is 39839841.

It can be written as a sum of positive squares in only one way, i.e., 13198689 + 1695204 = 3633^2 + 1302^2 .

It is not a de Polignac number, because 14893893 - 25 = 14893861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14893897) 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 17 ways as a sum of consecutive naturals, for example, 16446 + ... + 17327.

It is an arithmetic number, because the mean of its divisors is an integer number (1390363).

Almost surely, 214893893 is an apocalyptic number.

It is an amenable number.

14893893 is a deficient number, since it is larger than the sum of its proper divisors (10132641).

14893893 is a wasteful number, since it uses less digits than its factorization.

14893893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33793 (or 33783 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 14893893 is about 3859.2606804931. The cubic root of 14893893 is about 246.0383144764.

The spelling of 14893893 in words is "fourteen million, eight hundred ninety-three thousand, eight hundred ninety-three".

Divisors: 1 3 7 9 21 49 63 147 441 33773 101319 236411 303957 709233 1654877 2127699 4964631 14893893