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14313987 = 325233041
BaseRepresentation
bin110110100110…
…101000000011
3222221020002200
4312212220003
512131021422
61230444243
7232444512
oct66465003
928836080
1014313987
118097346
124963683
132c7231c
141c88679
1513cb2ac
hexda6a03

14313987 has 12 divisors (see below), whose sum is σ = 20722104. Its totient is φ = 9521280.

The previous prime is 14313979. The next prime is 14313997. The reversal of 14313987 is 78931341.

It is a happy number.

It is not a de Polignac number, because 14313987 - 23 = 14313979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14313917) 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 11 ways as a sum of consecutive naturals, for example, 3187 + ... + 6227.

It is an arithmetic number, because the mean of its divisors is an integer number (1726842).

Almost surely, 214313987 is an apocalyptic number.

14313987 is a deficient number, since it is larger than the sum of its proper divisors (6408117).

14313987 is a wasteful number, since it uses less digits than its factorization.

14313987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570 (or 3567 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 14313987 is about 3783.3830099529. The cubic root of 14313987 is about 242.8027154517.

The spelling of 14313987 in words is "fourteen million, three hundred thirteen thousand, nine hundred eighty-seven".

Divisors: 1 3 9 523 1569 3041 4707 9123 27369 1590443 4771329 14313987