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13250341 = 131019257
BaseRepresentation
bin110010100010…
…111100100101
3220221012001101
4302202330211
511343002331
61152000101
7220424506
oct62427445
926835041
1013250341
1175301a5
124530031
13298c150
141a8cbad
15126b061
hexca2f25

13250341 has 4 divisors (see below), whose sum is σ = 14269612. Its totient is φ = 12231072.

The previous prime is 13250333. The next prime is 13250357. The reversal of 13250341 is 14305231.

13250341 is digitally balanced in base 2 and base 3, because in such bases 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: 14305231 = 102114011.

It can be written as a sum of positive squares in 2 ways, for example, as 1313316 + 11937025 = 1146^2 + 3455^2 .

It is a cyclic number.

It is not a de Polignac number, because 13250341 - 23 = 13250333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13250311) 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, 509616 + ... + 509641.

It is an arithmetic number, because the mean of its divisors is an integer number (3567403).

Almost surely, 213250341 is an apocalyptic number.

It is an amenable number.

13250341 is a deficient number, since it is larger than the sum of its proper divisors (1019271).

13250341 is a wasteful number, since it uses less digits than its factorization.

13250341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019270.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13250341 is about 3640.1017842912. The cubic root of 13250341 is about 236.6332045088.

Adding to 13250341 its reverse (14305231), we get a palindrome (27555572).

The spelling of 13250341 in words is "thirteen million, two hundred fifty thousand, three hundred forty-one".

Divisors: 1 13 1019257 13250341