Search a number
-
+
2505578053 = 11227779823
BaseRepresentation
bin1001010101011000…
…0001011001000101
320110121200112221011
42111112001121011
520112411444203
61052343122221
7116043030166
oct22526013105
96417615834
102505578053
111076373970
1259b143371
1330c133384
1419aaa376d
15e9e7d76d
hex95581645

2505578053 has 4 divisors (see below), whose sum is σ = 2733357888. Its totient is φ = 2277798220.

The previous prime is 2505578017. The next prime is 2505578057. The reversal of 2505578053 is 3508755052.

It is a happy number.

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 2505578053 - 29 = 2505577541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2505577997 and 2505578015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505578057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113889901 + ... + 113889922.

It is an arithmetic number, because the mean of its divisors is an integer number (683339472).

Almost surely, 22505578053 is an apocalyptic number.

It is an amenable number.

2505578053 is a deficient number, since it is larger than the sum of its proper divisors (227779835).

2505578053 is a wasteful number, since it uses less digits than its factorization.

2505578053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227779834.

The product of its (nonzero) digits is 210000, while the sum is 40.

The square root of 2505578053 is about 50055.7494499883. The cubic root of 2505578053 is about 1358.2174695089.

The spelling of 2505578053 in words is "two billion, five hundred five million, five hundred seventy-eight thousand, fifty-three".

Divisors: 1 11 227779823 2505578053