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14971387 = 531631733
BaseRepresentation
bin111001000111…
…000111111011
31001011121212211
4321013013323
512313041022
61252515551
7241153234
oct71070773
931147784
1014971387
1184a6252
12501bbb7
133142612
141dba08b
1514aae77
hexe471fb

14971387 has 8 divisors (see below), whose sum is σ = 15356304. Its totient is φ = 14590368.

The previous prime is 14971379. The next prime is 14971391. The reversal of 14971387 is 78317941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14971387 - 23 = 14971379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14971687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7773 + ... + 9505.

It is an arithmetic number, because the mean of its divisors is an integer number (1919538).

Almost surely, 214971387 is an apocalyptic number.

14971387 is a deficient number, since it is larger than the sum of its proper divisors (384917).

14971387 is a wasteful number, since it uses less digits than its factorization.

14971387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its digits is 42336, while the sum is 40.

The square root of 14971387 is about 3869.2876605391. The cubic root of 14971387 is about 246.4642948941.

The spelling of 14971387 in words is "fourteen million, nine hundred seventy-one thousand, three hundred eighty-seven".

Divisors: 1 53 163 1733 8639 91849 282479 14971387