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13259045 = 56773917
BaseRepresentation
bin110010100101…
…000100100101
3220221121222202
4302211010211
511343242140
61152104245
7220462052
oct62450445
926847882
1013259045
117536798
124535085
1329930b7
141a92029
15126d915
hexca5125

13259045 has 8 divisors (see below), whose sum is σ = 15938424. Its totient is φ = 10588864.

The previous prime is 13258991. The next prime is 13259053. The reversal of 13259045 is 54095231.

It can be written as a sum of positive squares in 4 ways, for example, as 7392961 + 5866084 = 2719^2 + 2422^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13259045 - 214 = 13242661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13258999 and 13259017.

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, 1427 + ... + 5343.

It is an arithmetic number, because the mean of its divisors is an integer number (1992303).

Almost surely, 213259045 is an apocalyptic number.

It is an amenable number.

13259045 is a deficient number, since it is larger than the sum of its proper divisors (2679379).

13259045 is an equidigital number, since it uses as much as digits as its factorization.

13259045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4599.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 13259045 is about 3641.2971589806. The cubic root of 13259045 is about 236.6850070647.

The spelling of 13259045 in words is "thirteen million, two hundred fifty-nine thousand, forty-five".

Divisors: 1 5 677 3385 3917 19585 2651809 13259045