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2504987 is a prime number
BaseRepresentation
bin1001100011100100011011
311201021012022
421203210123
51120124422
6125405055
730202112
oct11434433
94637168
102504987
111461041
12a0978b
13699254
14492c79
15347342
hex26391b

2504987 has 2 divisors, whose sum is σ = 2504988. Its totient is φ = 2504986.

The previous prime is 2504981. The next prime is 2505007. The reversal of 2504987 is 7894052.

It is a happy number.

2504987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2504987 - 26 = 2504923 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2504981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252493 + 1252494.

It is an arithmetic number, because the mean of its divisors is an integer number (1252494).

22504987 is an apocalyptic number.

2504987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504987 is an equidigital number, since it uses as much as digits as its factorization.

2504987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2504987 is about 1582.7150722730. The cubic root of 2504987 is about 135.8110662267.

The spelling of 2504987 in words is "two million, five hundred four thousand, nine hundred eighty-seven".