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13973489 = 235411123
BaseRepresentation
bin110101010011…
…011111110001
3222021221000122
4311103133301
512034122424
61215300025
7226526015
oct65233761
928257018
1013973489
117984542
12481a615
132b8334a
141bda545
15136045e
hexd537f1

13973489 has 8 divisors (see below), whose sum is σ = 14620992. Its totient is φ = 13329360.

The previous prime is 13973483. The next prime is 13973527. The reversal of 13973489 is 98437931.

It is a happy number.

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 13973489 - 28 = 13973233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13973483) 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, 11882 + ... + 13004.

It is an arithmetic number, because the mean of its divisors is an integer number (1827624).

Almost surely, 213973489 is an apocalyptic number.

It is an amenable number.

13973489 is a deficient number, since it is larger than the sum of its proper divisors (647503).

13973489 is a wasteful number, since it uses less digits than its factorization.

13973489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687.

The product of its digits is 163296, while the sum is 44.

The square root of 13973489 is about 3738.1130266486. The cubic root of 13973489 is about 240.8619986659.

The spelling of 13973489 in words is "thirteen million, nine hundred seventy-three thousand, four hundred eighty-nine".

Divisors: 1 23 541 1123 12443 25829 607543 13973489