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2288630 = 25792897
BaseRepresentation
bin1000101110101111110110
311022021102002
420232233312
51041214010
6121015302
725311251
oct10565766
94267362
102288630
111323533
12924532
13621926
14438098
153031a5
hex22ebf6

2288630 has 16 divisors (see below), whose sum is σ = 4173120. Its totient is φ = 903552.

The previous prime is 2288603. The next prime is 2288633. The reversal of 2288630 is 368822.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2288593 and 2288602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288633) 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, 659 + ... + 2238.

It is an arithmetic number, because the mean of its divisors is an integer number (260820).

22288630 is an apocalyptic number.

2288630 is a deficient number, since it is larger than the sum of its proper divisors (1884490).

2288630 is a wasteful number, since it uses less digits than its factorization.

2288630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2288630 is about 1512.8218665791. The cubic root of 2288630 is about 131.7827387144.

The spelling of 2288630 in words is "two million, two hundred eighty-eight thousand, six hundred thirty".

Divisors: 1 2 5 10 79 158 395 790 2897 5794 14485 28970 228863 457726 1144315 2288630