Base | Representation |
---|---|
bin | 1001101100110100… |
… | …01000011011011001 |
3 | 111102221101000001100 |
4 | 10312122020123121 |
5 | 41131143142400 |
6 | 2220432542013 |
7 | 243024314064 |
oct | 46632103331 |
9 | 14387330040 |
10 | 5207787225 |
11 | 2232729693 |
12 | 10140b1909 |
13 | 64cc11504 |
14 | 37590d8db |
15 | 2072ed100 |
hex | 1366886d9 |
5207787225 has 81 divisors (see below), whose sum is σ = 9943827933. Its totient is φ = 2604867840.
The previous prime is 5207787131. The next prime is 5207787229. The reversal of 5207787225 is 5227877025.
The square root of 5207787225 is 72165.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 121815369 + 5085971856 = 11037^2 + 71316^2 .
It is not a de Polignac number, because 5207787225 - 27 = 5207787097 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (5207787229) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 18401934 + ... + 18402216.
Almost surely, 25207787225 is an apocalyptic number.
5207787225 is the 72165-th square number.
5207787225 is the 36083-rd centered octagonal number.
It is an amenable number.
5207787225 is a deficient number, since it is larger than the sum of its proper divisors (4736040708).
5207787225 is a wasteful number, since it uses less digits than its factorization.
5207787225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 616 (or 308 counting only the distinct ones).
The product of its (nonzero) digits is 548800, while the sum is 45.
The cubic root of 5207787225 is about 1733.3425996998.
The spelling of 5207787225 in words is "five billion, two hundred seven million, seven hundred eighty-seven thousand, two hundred twenty-five".
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