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13325745 = 351946757
BaseRepresentation
bin110010110101…
…010110110001
3221002000111010
4302311112301
511402410440
61153341133
7221160366
oct62652661
927060433
1013325745
117581914
1245677a9
1329b7574
141aac46d
151283580
hexcb55b1

13325745 has 16 divisors (see below), whose sum is σ = 22443840. Its totient is φ = 6732864.

The previous prime is 13325701. The next prime is 13325759. The reversal of 13325745 is 54752331.

It is not a de Polignac number, because 13325745 - 28 = 13325489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23094 + ... + 23663.

It is an arithmetic number, because the mean of its divisors is an integer number (1402740).

Almost surely, 213325745 is an apocalyptic number.

13325745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13325745 is a deficient number, since it is larger than the sum of its proper divisors (9118095).

13325745 is a wasteful number, since it uses less digits than its factorization.

13325745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46784.

The product of its digits is 12600, while the sum is 30.

The square root of 13325745 is about 3650.4444934830. Note that the first 4 decimals coincide. The cubic root of 13325745 is about 237.0812269426.

It can be divided in two parts, 133 and 25745, that added together give a triangular number (25878 = T227).

The spelling of 13325745 in words is "thirteen million, three hundred twenty-five thousand, seven hundred forty-five".

Divisors: 1 3 5 15 19 57 95 285 46757 140271 233785 701355 888383 2665149 4441915 13325745