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228000004 = 2279838693
BaseRepresentation
bin11011001011100…
…00000100000100
3120220000121012121
431211300010010
5431332000004
634342455324
75435653021
oct1545600404
9526017177
10228000004
11107777861
1264434544
133830bb5b
14223d0548
151503a854
hexd970104

228000004 has 24 divisors (see below), whose sum is σ = 408965760. Its totient is φ = 111188064.

The previous prime is 227999977. The next prime is 228000037. The reversal of 228000004 is 400000822.

228000004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21882 + ... + 30574.

It is an arithmetic number, because the mean of its divisors is an integer number (17040240).

Almost surely, 2228000004 is an apocalyptic number.

It is an amenable number.

228000004 is a deficient number, since it is larger than the sum of its proper divisors (180965756).

228000004 is a wasteful number, since it uses less digits than its factorization.

228000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859 (or 8857 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 228000004 is about 15099.6690029947. The cubic root of 228000004 is about 610.9114780015.

Adding to 228000004 its reverse (400000822), we get a palindrome (628000826).

The spelling of 228000004 in words is "two hundred twenty-eight million, four", and thus it is an aban number.

Divisors: 1 2 4 79 83 158 166 316 332 6557 8693 13114 17386 26228 34772 686747 721519 1373494 1443038 2746988 2886076 57000001 114000002 228000004