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2530998 = 232140611
BaseRepresentation
bin1001101001111010110110
311202120212200
421221322312
51121442443
6130125330
730341001
oct11517266
94676780
102530998
111479638
12a20846
136a8042
1449c538
1534edd3
hex269eb6

2530998 has 12 divisors (see below), whose sum is σ = 5483868. Its totient is φ = 843660.

The previous prime is 2530993. The next prime is 2530999. The reversal of 2530998 is 8990352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530991) 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 5 ways as a sum of consecutive naturals, for example, 70288 + ... + 70323.

It is an arithmetic number, because the mean of its divisors is an integer number (456989).

22530998 is an apocalyptic number.

2530998 is an abundant number, since it is smaller than the sum of its proper divisors (2952870).

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

2530998 is a wasteful number, since it uses less digits than its factorization.

2530998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140619 (or 140616 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 2530998 is about 1590.9110597390. The cubic root of 2530998 is about 136.2795217011.

The spelling of 2530998 in words is "two million, five hundred thirty thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 9 18 140611 281222 421833 843666 1265499 2530998