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13043073 = 34619431
BaseRepresentation
bin110001110000…
…010110000001
3220112122201210
4301300112001
511314334243
61143320333
7215602311
oct61602601
926478653
1013043073
1173a94aa
1244500a9
1329189c4
141a37441
151229933
hexc70581

13043073 has 8 divisors (see below), whose sum is σ = 17430336. Its totient is φ = 8675600.

The previous prime is 13043059. The next prime is 13043077. The reversal of 13043073 is 37034031.

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 13043073 - 216 = 12977537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13043077) 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, 3333 + ... + 6098.

It is an arithmetic number, because the mean of its divisors is an integer number (2178792).

Almost surely, 213043073 is an apocalyptic number.

It is an amenable number.

13043073 is a deficient number, since it is larger than the sum of its proper divisors (4387263).

13043073 is an equidigital number, since it uses as much as digits as its factorization.

13043073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 13043073 is about 3611.5194863104. The cubic root of 13043073 is about 235.3928723317.

The spelling of 13043073 in words is "thirteen million, forty-three thousand, seventy-three".

Divisors: 1 3 461 1383 9431 28293 4347691 13043073