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13702345 = 52740469
BaseRepresentation
bin110100010001…
…010011001001
3221210011002021
4310101103021
512001433340
61205404441
7224316346
oct64212311
927704067
1013702345
117809858
124709721
132ab9ac7
141b697cd
151309e4a
hexd114c9

13702345 has 4 divisors (see below), whose sum is σ = 16442820. Its totient is φ = 10961872.

The previous prime is 13702343. The next prime is 13702373. The reversal of 13702345 is 54320731.

13702345 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54320731 = 143337907.

It can be written as a sum of positive squares in 2 ways, for example, as 10705984 + 2996361 = 3272^2 + 1731^2 .

It is a cyclic number.

It is not a de Polignac number, because 13702345 - 21 = 13702343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13702343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370230 + ... + 1370239.

It is an arithmetic number, because the mean of its divisors is an integer number (4110705).

Almost surely, 213702345 is an apocalyptic number.

It is an amenable number.

13702345 is a deficient number, since it is larger than the sum of its proper divisors (2740475).

13702345 is an equidigital number, since it uses as much as digits as its factorization.

13702345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740474.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13702345 is about 3701.6678673268. The cubic root of 13702345 is about 239.2939026571.

The spelling of 13702345 in words is "thirteen million, seven hundred two thousand, three hundred forty-five".

Divisors: 1 5 2740469 13702345