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2530923 = 35979181
BaseRepresentation
bin1001101001111001101011
311202120202220
421221321223
51121442143
6130125123
730340533
oct11517153
94676686
102530923
11147957a
12a207a3
136a7cb5
1449c4c3
1534ed83
hex269e6b

2530923 has 16 divisors (see below), whose sum is σ = 3494400. Its totient is φ = 1628640.

The previous prime is 2530921. The next prime is 2530961. The reversal of 2530923 is 3290352.

It is not a de Polignac number, because 2530923 - 21 = 2530921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2530893 and 2530902.

It is not an unprimeable number, because it can be changed into a prime (2530921) 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 15 ways as a sum of consecutive naturals, for example, 13893 + ... + 14073.

It is an arithmetic number, because the mean of its divisors is an integer number (218400).

22530923 is an apocalyptic number.

2530923 is a deficient number, since it is larger than the sum of its proper divisors (963477).

2530923 is a wasteful number, since it uses less digits than its factorization.

2530923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 2530923 is about 1590.8874881650. The cubic root of 2530923 is about 136.2781755832.

The spelling of 2530923 in words is "two million, five hundred thirty thousand, nine hundred twenty-three".

Divisors: 1 3 59 79 177 181 237 543 4661 10679 13983 14299 32037 42897 843641 2530923