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2442947 = 131131663
BaseRepresentation
bin1001010100011011000011
311121010002112
421110123003
51111133242
6124205535
726523203
oct11243303
94533075
102442947
111419471
129998ab
13676c40
14478403
15333c82
hex2546c3

2442947 has 8 divisors (see below), whose sum is σ = 2655744. Its totient is φ = 2233728.

The previous prime is 2442943. The next prime is 2442949. The reversal of 2442947 is 7492442.

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 2442947 - 22 = 2442943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442941) 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, 638 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

22442947 is an apocalyptic number.

2442947 is a deficient number, since it is larger than the sum of its proper divisors (212797).

2442947 is a wasteful number, since it uses less digits than its factorization.

2442947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789.

The product of its digits is 16128, while the sum is 32.

The square root of 2442947 is about 1562.9929622362. The cubic root of 2442947 is about 134.6804881031.

The spelling of 2442947 in words is "two million, four hundred forty-two thousand, nine hundred forty-seven".

Divisors: 1 13 113 1469 1663 21619 187919 2442947