Search a number
-
+
5130578 = 22565289
BaseRepresentation
bin10011100100100101010010
3100122122211102
4103210211102
52303134303
6301544402
761415645
oct23444522
910578742
105130578
112994752
121875102
1310a835b
14977a5c
156b5288
hex4e4952

5130578 has 4 divisors (see below), whose sum is σ = 7695870. Its totient is φ = 2565288.

The previous prime is 5130577. The next prime is 5130607. The reversal of 5130578 is 8750315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5121169 + 9409 = 2263^2 + 97^2 .

It is a super-2 number, since 2×51305782 = 52645661228168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5130578.

It is not an unprimeable number, because it can be changed into a prime (5130571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282643 + ... + 1282646.

Almost surely, 25130578 is an apocalyptic number.

5130578 is a deficient number, since it is larger than the sum of its proper divisors (2565292).

5130578 is a wasteful number, since it uses less digits than its factorization.

5130578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565291.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 5130578 is about 2265.0779236044. The cubic root of 5130578 is about 172.4733894399.

The spelling of 5130578 in words is "five million, one hundred thirty thousand, five hundred seventy-eight".

Divisors: 1 2 2565289 5130578