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2531030 = 25253103
BaseRepresentation
bin1001101001111011010110
311202120220212
421221323112
51121443110
6130125422
730341045
oct11517326
94676825
102531030
111479667
12a20872
136a8068
1449c55c
1534ee05
hex269ed6

2531030 has 8 divisors (see below), whose sum is σ = 4555872. Its totient is φ = 1012408.

The previous prime is 2531027. The next prime is 2531069. The reversal of 2531030 is 301352.

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

It is a super-2 number, since 2×25310302 = 12812225721800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2530996 and 2531014.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 126542 + ... + 126561.

It is an arithmetic number, because the mean of its divisors is an integer number (569484).

22531030 is an apocalyptic number.

2531030 is a deficient number, since it is larger than the sum of its proper divisors (2024842).

2531030 is a wasteful number, since it uses less digits than its factorization.

2531030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253110.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 2531030 is about 1590.9211168377. The cubic root of 2531030 is about 136.2800960366.

Adding to 2531030 its reverse (301352), we get a palindrome (2832382).

The spelling of 2531030 in words is "two million, five hundred thirty-one thousand, thirty".

Divisors: 1 2 5 10 253103 506206 1265515 2531030