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13010245 = 59372777
BaseRepresentation
bin110001101000…
…010101000101
3220110222200221
4301220111011
511312311440
61142504341
7215404513
oct61502505
926428627
1013010245
117386876
1244350b1
132906a91
141a294b3
15121ed4a
hexc68545

13010245 has 8 divisors (see below), whose sum is σ = 15634584. Its totient is φ = 10393344.

The previous prime is 13010213. The next prime is 13010293. The reversal of 13010245 is 54201031.

It can be written as a sum of positive squares in 4 ways, for example, as 272484 + 12737761 = 522^2 + 3569^2 .

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 13010245 - 25 = 13010213 is a prime.

It is a Duffinian number.

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, 3297 + ... + 6073.

It is an arithmetic number, because the mean of its divisors is an integer number (1954323).

Almost surely, 213010245 is an apocalyptic number.

It is an amenable number.

13010245 is a deficient number, since it is larger than the sum of its proper divisors (2624339).

13010245 is an equidigital number, since it uses as much as digits as its factorization.

13010245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13010245 is about 3606.9717215415. The cubic root of 13010245 is about 235.1952203068.

Adding to 13010245 its reverse (54201031), we get a palindrome (67211276).

The spelling of 13010245 in words is "thirteen million, ten thousand, two hundred forty-five".

Divisors: 1 5 937 2777 4685 13885 2602049 13010245