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228933392 = 2416698573
BaseRepresentation
bin11011010010100…
…11111100010000
3120221210000120112
431221103330100
5432101332032
634414500452
75446621202
oct1551237420
9527700515
10228933392
11108255056
1264804728
133857795c
1422594772
15151721b2
hexda53f10

228933392 has 20 divisors (see below), whose sum is σ = 443875980. Its totient is φ = 114384768.

The previous prime is 228933391. The next prime is 228933401. The reversal of 228933392 is 293339822.

228933392 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 97693456 + 131239936 = 9884^2 + 11456^2 .

It is not an unprimeable number, because it can be changed into a prime (228933391) 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, 22418 + ... + 30990.

It is an arithmetic number, because the mean of its divisors is an integer number (22193799).

Almost surely, 2228933392 is an apocalyptic number.

It is an amenable number.

228933392 is a deficient number, since it is larger than the sum of its proper divisors (214942588).

228933392 is a wasteful number, since it uses less digits than its factorization.

228933392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250 (or 10244 counting only the distinct ones).

The product of its digits is 139968, while the sum is 41.

The square root of 228933392 is about 15130.5450000983. The cubic root of 228933392 is about 611.7439941967.

The spelling of 228933392 in words is "two hundred twenty-eight million, nine hundred thirty-three thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 1669 3338 6676 8573 13352 17146 26704 34292 68584 137168 14308337 28616674 57233348 114466696 228933392