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13000573 = 85315241
BaseRepresentation
bin110001100101…
…111101111101
3220110111102201
4301211331331
511312004243
61142351501
7215334355
oct61457575
926414381
1013000573
11737a583
12442b591
132902561
141a25b65
15121c04d
hexc65f7d

13000573 has 4 divisors (see below), whose sum is σ = 13016668. Its totient is φ = 12984480.

The previous prime is 13000553. The next prime is 13000583. The reversal of 13000573 is 37500031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5008644 + 7991929 = 2238^2 + 2827^2 .

It is a cyclic number.

It is not a de Polignac number, because 13000573 - 213 = 12992381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13000573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6768 + ... + 8473.

It is an arithmetic number, because the mean of its divisors is an integer number (3254167).

Almost surely, 213000573 is an apocalyptic number.

It is an amenable number.

13000573 is a deficient number, since it is larger than the sum of its proper divisors (16095).

13000573 is an equidigital number, since it uses as much as digits as its factorization.

13000573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16094.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 13000573 is about 3605.6307353915. The cubic root of 13000573 is about 235.1369233746.

The spelling of 13000573 in words is "thirteen million, five hundred seventy-three", and thus it is an aban number.

Divisors: 1 853 15241 13000573