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2286830 = 257213359
BaseRepresentation
bin1000101110010011101110
311022011221102
420232103232
51041134310
6121003102
725303100
oct10562356
94264842
102286830
111322147
12923492
13620b70
14437570
153028a5
hex22e4ee

2286830 has 48 divisors (see below), whose sum is σ = 5171040. Its totient is φ = 721728.

The previous prime is 2286827. The next prime is 2286833. The reversal of 2286830 is 386822.

It is an interprime number because it is at equal distance from previous prime (2286827) and next prime (2286833).

It is a junction number, because it is equal to n+sod(n) for n = 2286793 and 2286802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6191 + ... + 6549.

It is an arithmetic number, because the mean of its divisors is an integer number (107730).

22286830 is an apocalyptic number.

2286830 is an abundant number, since it is smaller than the sum of its proper divisors (2884210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2286830 is a wasteful number, since it uses less digits than its factorization.

2286830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 386 counting only the distinct ones).

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

The square root of 2286830 is about 1512.2268348366. The cubic root of 2286830 is about 131.7481807554.

The spelling of 2286830 in words is "two million, two hundred eighty-six thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 49 65 70 91 98 130 182 245 359 455 490 637 718 910 1274 1795 2513 3185 3590 4667 5026 6370 9334 12565 17591 23335 25130 32669 35182 46670 65338 87955 163345 175910 228683 326690 457366 1143415 2286830