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2530566 = 232140587
BaseRepresentation
bin1001101001110100000110
311202120021200
421221310012
51121434231
6130123330
730336513
oct11516406
94676250
102530566
111479285
12a20546
136a7a9c
1449c30a
1534ebe6
hex269d06

2530566 has 12 divisors (see below), whose sum is σ = 5482932. Its totient is φ = 843516.

The previous prime is 2530547. The next prime is 2530571. The reversal of 2530566 is 6650352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70276 + ... + 70311.

It is an arithmetic number, because the mean of its divisors is an integer number (456911).

22530566 is an apocalyptic number.

2530566 is an abundant number, since it is smaller than the sum of its proper divisors (2952366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2530566 is a wasteful number, since it uses less digits than its factorization.

2530566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140595 (or 140592 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2530566 is about 1590.7752826845. The cubic root of 2530566 is about 136.2717676974.

The spelling of 2530566 in words is "two million, five hundred thirty thousand, five hundred sixty-six".

Divisors: 1 2 3 6 9 18 140587 281174 421761 843522 1265283 2530566