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245342353 = 534629101
BaseRepresentation
bin11101001111110…
…10000010010001
3122002122200102211
432213322002101
51000301423403
640202312121
76036242554
oct1647720221
9562580384
10245342353
11116542383
126a1b8641
133baa16b9
142482669b
151681406d
hexe9fa091

245342353 has 4 divisors (see below), whose sum is σ = 249971508. Its totient is φ = 240713200.

The previous prime is 245342341. The next prime is 245342387. The reversal of 245342353 is 353243542.

245342353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 170485249 + 74857104 = 13057^2 + 8652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-245342353 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245343353) 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, 2314498 + ... + 2314603.

It is an arithmetic number, because the mean of its divisors is an integer number (62492877).

Almost surely, 2245342353 is an apocalyptic number.

It is an amenable number.

245342353 is a deficient number, since it is larger than the sum of its proper divisors (4629155).

245342353 is an equidigital number, since it uses as much as digits as its factorization.

245342353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629154.

The product of its digits is 43200, while the sum is 31.

The square root of 245342353 is about 15663.4080901954. The cubic root of 245342353 is about 626.0237965892.

Adding to 245342353 its reverse (353243542), we get a palindrome (598585895).

The spelling of 245342353 in words is "two hundred forty-five million, three hundred forty-two thousand, three hundred fifty-three".

Divisors: 1 53 4629101 245342353