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13487345 = 53837043
BaseRepresentation
bin110011011100…
…110011110001
3221101020011022
4303130303301
511423043340
61201025225
7222432464
oct63346361
927336138
1013487345
117682273
124625215
132a42ca1
141b112db
1512b63b5
hexcdccf1

13487345 has 8 divisors (see below), whose sum is σ = 16229376. Its totient is φ = 10760176.

The previous prime is 13487339. The next prime is 13487377. The reversal of 13487345 is 54378431.

13487345 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 a de Polignac number, because none of the positive numbers 2k-13487345 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (2028672).

Almost surely, 213487345 is an apocalyptic number.

It is an amenable number.

13487345 is a deficient number, since it is larger than the sum of its proper divisors (2742031).

13487345 is an equidigital number, since it uses as much as digits as its factorization.

13487345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431.

The product of its digits is 40320, while the sum is 35.

The square root of 13487345 is about 3672.5120830298. The cubic root of 13487345 is about 238.0357324595.

The spelling of 13487345 in words is "thirteen million, four hundred eighty-seven thousand, three hundred forty-five".

Divisors: 1 5 383 1915 7043 35215 2697469 13487345