Search a number
-
+
2642530 = 251124023
BaseRepresentation
bin1010000101001001100010
311222020212111
422011021202
51134030110
6132345534
731314112
oct12051142
94866774
102642530
111545410
12a752aa
13716a37
144cb042
15372e8a
hex285262

2642530 has 16 divisors (see below), whose sum is σ = 5189184. Its totient is φ = 960880.

The previous prime is 2642513. The next prime is 2642537. The reversal of 2642530 is 352462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2642537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11902 + ... + 12121.

It is an arithmetic number, because the mean of its divisors is an integer number (324324).

22642530 is an apocalyptic number.

2642530 is a deficient number, since it is larger than the sum of its proper divisors (2546654).

2642530 is a wasteful number, since it uses less digits than its factorization.

2642530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24041.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2642530 is about 1625.5860481685. The cubic root of 2642530 is about 138.2526004305.

Adding to 2642530 its reverse (352462), we get a palindrome (2994992).

The spelling of 2642530 in words is "two million, six hundred forty-two thousand, five hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 24023 48046 120115 240230 264253 528506 1321265 2642530