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13504245 = 35900283
BaseRepresentation
bin110011100000…
…111011110101
3221102002100020
4303200323311
511424113440
61201235353
7222532656
oct63407365
927362306
1013504245
117693a37
124632b59
132a4a8a1
141b1752d
1512bb3d0
hexce0ef5

13504245 has 8 divisors (see below), whose sum is σ = 21606816. Its totient is φ = 7202256.

The previous prime is 13504219. The next prime is 13504259. The reversal of 13504245 is 54240531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13504245 - 29 = 13503733 is a prime.

It is a congruent 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, 450127 + ... + 450156.

It is an arithmetic number, because the mean of its divisors is an integer number (2700852).

Almost surely, 213504245 is an apocalyptic number.

13504245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13504245 is a deficient number, since it is larger than the sum of its proper divisors (8102571).

13504245 is an equidigital number, since it uses as much as digits as its factorization.

13504245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900291.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 13504245 is about 3674.8122401015. The cubic root of 13504245 is about 238.1351126519.

Adding to 13504245 its reverse (54240531), we get a palindrome (67744776).

The spelling of 13504245 in words is "thirteen million, five hundred four thousand, two hundred forty-five".

Divisors: 1 3 5 15 900283 2700849 4501415 13504245