Search a number
-
+
5256250253 = 38313723891
BaseRepresentation
bin1001110010100110…
…00000001110001101
3111120022120011211022
410321103000032031
541231100002003
62225323403525
7244153250522
oct47123001615
914508504738
105256250253
11225801a681
1210283835a5
13659c7c167
1437c127149
1520b6c2738
hex1394c038d

5256250253 has 4 divisors (see below), whose sum is σ = 5269974528. Its totient is φ = 5242525980.

The previous prime is 5256250243. The next prime is 5256250271. The reversal of 5256250253 is 3520526525.

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.

It is a cyclic number.

It is not a de Polignac number, because 5256250253 - 26 = 5256250189 is a prime.

It is a super-3 number, since 3×52562502533 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256250243) 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, 6861563 + ... + 6862328.

It is an arithmetic number, because the mean of its divisors is an integer number (1317493632).

Almost surely, 25256250253 is an apocalyptic number.

It is an amenable number.

5256250253 is a deficient number, since it is larger than the sum of its proper divisors (13724275).

5256250253 is a wasteful number, since it uses less digits than its factorization.

5256250253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13724274.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 5256250253 is about 72500.0017448276. The cubic root of 5256250253 is about 1738.7027646612.

Adding to 5256250253 its reverse (3520526525), we get a palindrome (8776776778).

The spelling of 5256250253 in words is "five billion, two hundred fifty-six million, two hundred fifty thousand, two hundred fifty-three".

Divisors: 1 383 13723891 5256250253