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2487243 = 3112329113
BaseRepresentation
bin1001011111001111001011
311200100212010
421133033023
51114042433
6125151003
730066303
oct11371713
94610763
102487243
111449780
129bb463
13691155
1448a603
15341e63
hex25f3cb

2487243 has 32 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 1379840.

The previous prime is 2487229. The next prime is 2487259. The reversal of 2487243 is 3427842.

It is not a de Polignac number, because 2487243 - 24 = 2487227 is a prime.

2487243 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2487243.

It is not an unprimeable number, because it can be changed into a prime (2487203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21955 + ... + 22067.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

22487243 is an apocalyptic number.

2487243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2487243 is a deficient number, since it is larger than the sum of its proper divisors (1452597).

2487243 is a wasteful number, since it uses less digits than its factorization.

2487243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179.

The product of its digits is 10752, while the sum is 30.

The square root of 2487243 is about 1577.0995529769. The cubic root of 2487243 is about 135.4896348784.

The spelling of 2487243 in words is "two million, four hundred eighty-seven thousand, two hundred forty-three".

Divisors: 1 3 11 23 29 33 69 87 113 253 319 339 667 759 957 1243 2001 2599 3277 3729 7337 7797 9831 22011 28589 36047 75371 85767 108141 226113 829081 2487243