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245241253 = 4734914951
BaseRepresentation
bin11101001111000…
…01010110100101
3122002110112202101
432213201112211
51000240210003
640200212101
76035342035
oct1647412645
9562415671
10245241253
11116483424
126a16a031
133ba6768a
14247db8c5
15167e411d
hexe9e15a5

245241253 has 8 divisors (see below), whose sum is σ = 251193600. Its totient is φ = 239319600.

The previous prime is 245241247. The next prime is 245241257. The reversal of 245241253 is 352142542.

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 245241253 - 225 = 211686821 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 (245241257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8928 + ... + 23878.

It is an arithmetic number, because the mean of its divisors is an integer number (31399200).

Almost surely, 2245241253 is an apocalyptic number.

It is an amenable number.

245241253 is a deficient number, since it is larger than the sum of its proper divisors (5952347).

245241253 is a wasteful number, since it uses less digits than its factorization.

245241253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15347.

The product of its digits is 9600, while the sum is 28.

The square root of 245241253 is about 15660.1804906585. The cubic root of 245241253 is about 625.9377947219.

Adding to 245241253 its reverse (352142542), we get a palindrome (597383795).

The spelling of 245241253 in words is "two hundred forty-five million, two hundred forty-one thousand, two hundred fifty-three".

Divisors: 1 47 349 14951 16403 702697 5217899 245241253