Search a number
-
+
2552244425 = 52177577933
BaseRepresentation
bin1001100000100000…
…0010100011001001
320120212111110011022
42120020002203021
520211333310200
61101131242225
7120150501563
oct23010024311
96525443138
102552244425
11109a748015
125b28a9375
133189c2303
141a2d70333
15ee0ea885
hex982028c9

2552244425 has 24 divisors (see below), whose sum is σ = 3355796376. Its totient is φ = 1918909440.

The previous prime is 2552244421. The next prime is 2552244437. The reversal of 2552244425 is 5244422552.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 460188304 + 2092056121 = 21452^2 + 45739^2 .

It is not a de Polignac number, because 2552244425 - 22 = 2552244421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2552244421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317759 + ... + 325691.

It is an arithmetic number, because the mean of its divisors is an integer number (139824849).

Almost surely, 22552244425 is an apocalyptic number.

2552244425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2552244425 is a deficient number, since it is larger than the sum of its proper divisors (803551951).

2552244425 is a wasteful number, since it uses less digits than its factorization.

2552244425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717 (or 8712 counting only the distinct ones).

The product of its digits is 128000, while the sum is 35.

The square root of 2552244425 is about 50519.7429229405. The cubic root of 2552244425 is about 1366.5979175874.

Adding to 2552244425 its reverse (5244422552), we get a palindrome (7796666977).

The spelling of 2552244425 in words is "two billion, five hundred fifty-two million, two hundred forty-four thousand, four hundred twenty-five".

Divisors: 1 5 17 25 85 425 757 3785 7933 12869 18925 39665 64345 134861 198325 321725 674305 3371525 6005281 30026405 102089777 150132025 510448885 2552244425