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14282991 = 3214910651
BaseRepresentation
bin110110011111…
…000011101111
3222212122120200
4312133003233
512124023431
61230044543
7232255242
oct66370357
928778520
1014282991
118076028
124949753
132c61198
141c7b259
1513c1ee6
hexd9f0ef

14282991 has 12 divisors (see below), whose sum is σ = 20771400. Its totient is φ = 9457200.

The previous prime is 14282969. The next prime is 14283001. The reversal of 14282991 is 19928241.

It is not a de Polignac number, because 14282991 - 211 = 14280943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14282911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3985 + ... + 6666.

It is an arithmetic number, because the mean of its divisors is an integer number (1730950).

Almost surely, 214282991 is an apocalyptic number.

14282991 is a deficient number, since it is larger than the sum of its proper divisors (6488409).

14282991 is a wasteful number, since it uses less digits than its factorization.

14282991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10806 (or 10803 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 14282991 is about 3779.2844560842. The cubic root of 14282991 is about 242.6273310113.

The spelling of 14282991 in words is "fourteen million, two hundred eighty-two thousand, nine hundred ninety-one".

Divisors: 1 3 9 149 447 1341 10651 31953 95859 1586999 4760997 14282991