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245413 = 735059
BaseRepresentation
bin111011111010100101
3110110122101
4323322211
530323123
65132101
72041330
oct737245
9413571
10245413
11158423
12ba031
138791c
1465617
154caad
hex3bea5

245413 has 4 divisors (see below), whose sum is σ = 280480. Its totient is φ = 210348.

The previous prime is 245411. The next prime is 245417. The reversal of 245413 is 314542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314542 = 2157271.

It is a cyclic number.

It is not a de Polignac number, because 245413 - 21 = 245411 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245411) 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, 17523 + ... + 17536.

It is an arithmetic number, because the mean of its divisors is an integer number (70120).

2245413 is an apocalyptic number.

It is an amenable number.

245413 is a deficient number, since it is larger than the sum of its proper divisors (35067).

245413 is an equidigital number, since it uses as much as digits as its factorization.

245413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35066.

The product of its digits is 480, while the sum is 19.

The square root of 245413 is about 495.3917641625. The cubic root of 245413 is about 62.6083879243.

Adding to 245413 its reverse (314542), we get a palindrome (559955).

The spelling of 245413 in words is "two hundred forty-five thousand, four hundred thirteen".

Divisors: 1 7 35059 245413