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13076489 = 231992857
BaseRepresentation
bin110001111000…
…100000001001
3220121100120102
4301320200021
511321421424
61144135145
7216101606
oct61704011
926540512
1013076489
117421618
1244674b5
13292ac8a
141a456ad
1512347ae
hexc78809

13076489 has 8 divisors (see below), whose sum is σ = 13718400. Its totient is φ = 12440736.

The previous prime is 13076461. The next prime is 13076501. The reversal of 13076489 is 98467031.

13076489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13076489 - 28 = 13076233 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13076989) 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, 3149 + ... + 6005.

It is an arithmetic number, because the mean of its divisors is an integer number (1714800).

Almost surely, 213076489 is an apocalyptic number.

It is an amenable number.

13076489 is a deficient number, since it is larger than the sum of its proper divisors (641911).

13076489 is a wasteful number, since it uses less digits than its factorization.

13076489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13076489 is about 3616.1428345683. The cubic root of 13076489 is about 235.5937242927.

It can be divided in two parts, 130 and 76489, that multiplied together give a triangular number (9943570 = T4459).

The spelling of 13076489 in words is "thirteen million, seventy-six thousand, four hundred eighty-nine".

Divisors: 1 23 199 2857 4577 65711 568543 13076489