Search a number
-
+
2530684 = 2213411187
BaseRepresentation
bin1001101001110101111100
311202120110001
421221311330
51121440214
6130124044
730340042
oct11516574
94676401
102530684
111479382
12a20624
136a7b60
1449c392
1534ec74
hex269d7c

2530684 has 24 divisors (see below), whose sum is σ = 4889808. Its totient is φ = 1138560.

The previous prime is 2530681. The next prime is 2530699. The reversal of 2530684 is 4860352.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (203742).

22530684 is an apocalyptic number.

It is an amenable number.

2530684 is a deficient number, since it is larger than the sum of its proper divisors (2359124).

2530684 is a wasteful number, since it uses less digits than its factorization.

2530684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2530684 is about 1590.8123710859. The cubic root of 2530684 is about 136.2738857767.

The spelling of 2530684 in words is "two million, five hundred thirty thousand, six hundred eighty-four".

Divisors: 1 2 4 13 26 41 52 82 164 533 1066 1187 2132 2374 4748 15431 30862 48667 61724 97334 194668 632671 1265342 2530684