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2452400245 = 5490480049
BaseRepresentation
bin1001001000101100…
…1010100001110101
320022220121211200201
42102023022201311
520010303301440
61043203240501
7114526025641
oct22213124165
96286554621
102452400245
111049352669
12585379131
13301104709
141939bdc21
15e547719a
hex922ca875

2452400245 has 4 divisors (see below), whose sum is σ = 2942880300. Its totient is φ = 1961920192.

The previous prime is 2452400221. The next prime is 2452400257. The reversal of 2452400245 is 5420042542.

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 310006449 + 2142393796 = 17607^2 + 46286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2452400245 - 225 = 2418845813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245240020 + ... + 245240029.

It is an arithmetic number, because the mean of its divisors is an integer number (735720075).

Almost surely, 22452400245 is an apocalyptic number.

It is an amenable number.

2452400245 is a deficient number, since it is larger than the sum of its proper divisors (490480055).

2452400245 is an equidigital number, since it uses as much as digits as its factorization.

2452400245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490480054.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 2452400245 is about 49521.7148834731. The cubic root of 2452400245 is about 1348.5398469727.

Adding to 2452400245 its reverse (5420042542), we get a palindrome (7872442787).

The spelling of 2452400245 in words is "two billion, four hundred fifty-two million, four hundred thousand, two hundred forty-five".

Divisors: 1 5 490480049 2452400245