Search a number
-
+
2520244253 = 3896478777
BaseRepresentation
bin1001011000110111…
…1110000000011101
320111122021200011202
42112031332000131
520130140304003
61054025325245
7116311502612
oct22615760035
96448250152
102520244253
11108368089a
125a4036825
13312199ab7
1419ca00509
15eb3c9088
hex9637e01d

2520244253 has 4 divisors (see below), whose sum is σ = 2526723420. Its totient is φ = 2513765088.

The previous prime is 2520244249. The next prime is 2520244289. The reversal of 2520244253 is 3524420252.

2520244253 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 1077611929 + 1442632324 = 32827^2 + 37982^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520244253 - 22 = 2520244249 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 (2520241253) 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, 3239000 + ... + 3239777.

It is an arithmetic number, because the mean of its divisors is an integer number (631680855).

Almost surely, 22520244253 is an apocalyptic number.

It is an amenable number.

2520244253 is a deficient number, since it is larger than the sum of its proper divisors (6479167).

2520244253 is an equidigital number, since it uses as much as digits as its factorization.

2520244253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479166.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2520244253 is about 50202.0343512093. The cubic root of 2520244253 is about 1360.8623879055.

The spelling of 2520244253 in words is "two billion, five hundred twenty million, two hundred forty-four thousand, two hundred fifty-three".

Divisors: 1 389 6478777 2520244253