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2390228 = 22631947
BaseRepresentation
bin1001000111100011010100
311111102202222
421013203110
51102441403
6123121512
726213411
oct11074324
94442688
102390228
1113928a5
12973298
13658c49
14463108
15323338
hex2478d4

2390228 has 12 divisors (see below), whose sum is σ = 4193952. Its totient is φ = 1191960.

The previous prime is 2390221. The next prime is 2390243. The reversal of 2390228 is 8220932.

It is a d-powerful number, because it can be written as 218 + 39 + 96 + 0 + 219 + 220 + 84 .

It is a junction number, because it is equal to n+sod(n) for n = 2390197 and 2390206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2390221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051 + ... + 2997.

It is an arithmetic number, because the mean of its divisors is an integer number (349496).

22390228 is an apocalyptic number.

It is an amenable number.

2390228 is a deficient number, since it is larger than the sum of its proper divisors (1803724).

2390228 is a wasteful number, since it uses less digits than its factorization.

2390228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2390228 is about 1546.0362220854. The cubic root of 2390228 is about 133.7046289757.

The spelling of 2390228 in words is "two million, three hundred ninety thousand, two hundred twenty-eight".

Divisors: 1 2 4 631 947 1262 1894 2524 3788 597557 1195114 2390228