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2552500345 = 53371514837
BaseRepresentation
bin1001100000100100…
…0001000001111001
320120212222110012211
42120021001001321
520211420002340
61101140535121
7120152615653
oct23011010171
96525873184
102552500345
11109a90231a
125b29b14a1
13318a81945
141a2dd96d3
15ee14b5ea
hex98241079

2552500345 has 8 divisors (see below), whose sum is σ = 3072091464. Its totient is φ = 2035939584.

The previous prime is 2552500333. The next prime is 2552500361. The reversal of 2552500345 is 5430052552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 258952464 + 2293547881 = 16092^2 + 47891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2552500345 - 213 = 2552492153 is a prime.

It is a super-2 number, since 2×25525003452 = 13030516022450238050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755734 + ... + 759103.

It is an arithmetic number, because the mean of its divisors is an integer number (384011433).

Almost surely, 22552500345 is an apocalyptic number.

It is an amenable number.

2552500345 is a deficient number, since it is larger than the sum of its proper divisors (519591119).

2552500345 is a wasteful number, since it uses less digits than its factorization.

2552500345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515179.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 2552500345 is about 50522.2757306121. The cubic root of 2552500345 is about 1366.6435934699.

Adding to 2552500345 its reverse (5430052552), we get a palindrome (7982552897).

The spelling of 2552500345 in words is "two billion, five hundred fifty-two million, five hundred thousand, three hundred forty-five".

Divisors: 1 5 337 1685 1514837 7574185 510500069 2552500345