Search a number
-
+
14387387 = 72055341
BaseRepresentation
bin110110111000…
…100010111011
31000001221210012
4312320202323
512140344022
61232212135
7233201510
oct66704273
930057705
1014387387
118137503
12499a04b
132c99861
141ca7307
1513e2de2
hexdb88bb

14387387 has 4 divisors (see below), whose sum is σ = 16442736. Its totient is φ = 12332040.

The previous prime is 14387371. The next prime is 14387407. The reversal of 14387387 is 78378341.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 14387387 - 24 = 14387371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14387357) 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, 1027664 + ... + 1027677.

It is an arithmetic number, because the mean of its divisors is an integer number (4110684).

Almost surely, 214387387 is an apocalyptic number.

14387387 is a deficient number, since it is larger than the sum of its proper divisors (2055349).

14387387 is an equidigital number, since it uses as much as digits as its factorization.

14387387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055348.

The product of its digits is 112896, while the sum is 41.

The square root of 14387387 is about 3793.0709194530. The cubic root of 14387387 is about 243.2170268388.

The spelling of 14387387 in words is "fourteen million, three hundred eighty-seven thousand, three hundred eighty-seven".

Divisors: 1 7 2055341 14387387