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2488939 = 4615399
BaseRepresentation
bin1001011111101001101011
311200110011221
421133221223
51114121224
6125202511
730104245
oct11375153
94613157
102488939
11144aa82
12a00437
13691b5b
1448b095
153426e4
hex25fa6b

2488939 has 4 divisors (see below), whose sum is σ = 2494800. Its totient is φ = 2483080.

The previous prime is 2488909. The next prime is 2488949. The reversal of 2488939 is 9398842.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2488939 - 25 = 2488907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2488895 and 2488904.

It is not an unprimeable number, because it can be changed into a prime (2488909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2239 + ... + 3160.

It is an arithmetic number, because the mean of its divisors is an integer number (623700).

22488939 is an apocalyptic number.

2488939 is a deficient number, since it is larger than the sum of its proper divisors (5861).

2488939 is an equidigital number, since it uses as much as digits as its factorization.

2488939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860.

The product of its digits is 124416, while the sum is 43.

The square root of 2488939 is about 1577.6371572703. The cubic root of 2488939 is about 135.5204237493.

Subtracting 2488939 from its reverse (9398842), we obtain a triangular number (6909903 = T3717).

The spelling of 2488939 in words is "two million, four hundred eighty-eight thousand, nine hundred thirty-nine".

Divisors: 1 461 5399 2488939