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2487141 = 321032683
BaseRepresentation
bin1001011111001101100101
311200100201100
421133031211
51114042031
6125150313
730066066
oct11371545
94610640
102487141
111449698
129bb399
136910a7
1448a56d
15341de6
hex25f365

2487141 has 12 divisors (see below), whose sum is σ = 3628768. Its totient is φ = 1641384.

The previous prime is 2487139. The next prime is 2487143. The reversal of 2487141 is 1417842.

It is an interprime number because it is at equal distance from previous prime (2487139) and next prime (2487143).

It is not a de Polignac number, because 2487141 - 21 = 2487139 is a prime.

It is a super-3 number, since 3×24871413 = 46155395333465832663, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487143) 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 11 ways as a sum of consecutive naturals, for example, 415 + ... + 2268.

22487141 is an apocalyptic number.

It is an amenable number.

2487141 is a deficient number, since it is larger than the sum of its proper divisors (1141627).

2487141 is a wasteful number, since it uses less digits than its factorization.

2487141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792 (or 2789 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 2487141 is about 1577.0672148009. The cubic root of 2487141 is about 135.4877827431.

It can be divided in two parts, 2487 and 141, that added together give a triangular number (2628 = T72).

The spelling of 2487141 in words is "two million, four hundred eighty-seven thousand, one hundred forty-one".

Divisors: 1 3 9 103 309 927 2683 8049 24147 276349 829047 2487141