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2442687 = 31362633
BaseRepresentation
bin1001010100010110111111
311121002201220
421110112333
51111131222
6124204423
726522352
oct11242677
94532656
102442687
111419255
12999713
13676aa0
14478299
15333b5c
hex2545bf

2442687 has 8 divisors (see below), whose sum is σ = 3507504. Its totient is φ = 1503168.

The previous prime is 2442683. The next prime is 2442719. The reversal of 2442687 is 7862442.

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

It is not a de Polignac number, because 2442687 - 22 = 2442683 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 25 + 42 + 48 + 221 + 67 + 8 + 7 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442683) 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 7 ways as a sum of consecutive naturals, for example, 31278 + ... + 31355.

It is an arithmetic number, because the mean of its divisors is an integer number (438438).

22442687 is an apocalyptic number.

2442687 is a deficient number, since it is larger than the sum of its proper divisors (1064817).

2442687 is a wasteful number, since it uses less digits than its factorization.

2442687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62649.

The product of its digits is 21504, while the sum is 33.

The square root of 2442687 is about 1562.9097862641. The cubic root of 2442687 is about 134.6757099712.

The spelling of 2442687 in words is "two million, four hundred forty-two thousand, six hundred eighty-seven".

Divisors: 1 3 13 39 62633 187899 814229 2442687