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13328425 = 5211172851
BaseRepresentation
bin110010110110…
…000000101001
3221002011011101
4302312000221
511403002200
61153401401
7221201245
oct62660051
927064141
1013328425
117583930
124569261
1329b8856
141aad425
15128426a
hexcb6029

13328425 has 24 divisors (see below), whose sum is σ = 19096992. Its totient is φ = 9120000.

The previous prime is 13328417. The next prime is 13328449. The reversal of 13328425 is 52482331.

It is not a de Polignac number, because 13328425 - 23 = 13328417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13328393 and 13328402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3250 + ... + 6100.

It is an arithmetic number, because the mean of its divisors is an integer number (795708).

Almost surely, 213328425 is an apocalyptic number.

It is an amenable number.

13328425 is a deficient number, since it is larger than the sum of its proper divisors (5768567).

13328425 is a wasteful number, since it uses less digits than its factorization.

13328425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889 (or 2884 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 13328425 is about 3650.8115536138. The cubic root of 13328425 is about 237.0971193648.

It can be divided in two parts, 13328 and 425, that multiplied together give a square (5664400 = 23802).

The spelling of 13328425 in words is "thirteen million, three hundred twenty-eight thousand, four hundred twenty-five".

Divisors: 1 5 11 17 25 55 85 187 275 425 935 2851 4675 14255 31361 48467 71275 156805 242335 533137 784025 1211675 2665685 13328425