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2442517 = 71131721
BaseRepresentation
bin1001010100010100010101
311121002111121
421110110111
51111130032
6124203541
726522020
oct11242425
94532447
102442517
111419110
129995b1
1367699c
144781b7
15333a97
hex254515

2442517 has 8 divisors (see below), whose sum is σ = 3045312. Its totient is φ = 1903200.

The previous prime is 2442511. The next prime is 2442527. The reversal of 2442517 is 7152442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2442517 - 27 = 2442389 is a prime.

It is a Duffinian number.

2442517 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2442491 and 2442500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15784 + ... + 15937.

It is an arithmetic number, because the mean of its divisors is an integer number (380664).

22442517 is an apocalyptic number.

It is an amenable number.

2442517 is a deficient number, since it is larger than the sum of its proper divisors (602795).

2442517 is a wasteful number, since it uses less digits than its factorization.

2442517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31739.

The product of its digits is 2240, while the sum is 25.

The square root of 2442517 is about 1562.8553995812. The cubic root of 2442517 is about 134.6725856247.

Adding to 2442517 its reverse (7152442), we get a palindrome (9594959).

It can be divided in two parts, 24425 and 17, that added together give a palindrome (24442).

The spelling of 2442517 in words is "two million, four hundred forty-two thousand, five hundred seventeen".

Divisors: 1 7 11 77 31721 222047 348931 2442517