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13703245 = 52740649
BaseRepresentation
bin110100010001…
…100001001101
3221210012022121
4310101201031
512002000440
61205412541
7224322103
oct64214115
927705277
1013703245
11780a4a6
12470a151
132aba33a
141b69c73
15130a34a
hexd1184d

13703245 has 4 divisors (see below), whose sum is σ = 16443900. Its totient is φ = 10962592.

The previous prime is 13703233. The next prime is 13703257. The reversal of 13703245 is 54230731.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13703233) and next prime (13703257).

It can be written as a sum of positive squares in 2 ways, for example, as 6461764 + 7241481 = 2542^2 + 2691^2 .

It is a cyclic number.

It is not a de Polignac number, because 13703245 - 217 = 13572173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370320 + ... + 1370329.

It is an arithmetic number, because the mean of its divisors is an integer number (4110975).

Almost surely, 213703245 is an apocalyptic number.

It is an amenable number.

13703245 is a deficient number, since it is larger than the sum of its proper divisors (2740655).

13703245 is an equidigital number, since it uses as much as digits as its factorization.

13703245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740654.

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

The square root of 13703245 is about 3701.7894321530. The cubic root of 13703245 is about 239.2991416581.

Adding to 13703245 its reverse (54230731), we get a palindrome (67933976).

The spelling of 13703245 in words is "thirteen million, seven hundred three thousand, two hundred forty-five".

Divisors: 1 5 2740649 13703245