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228162842 = 21033110437
BaseRepresentation
bin11011001100101…
…11110100011010
3120220022212120122
431212113310122
5431402202332
634350153242
75440231535
oct1546276432
9526285518
10228162842
11107879136
12644b2822
1338367ccb
1422433a1c
151506dc12
hexd997d1a

228162842 has 8 divisors (see below), whose sum is σ = 342578676. Its totient is φ = 113969952.

The previous prime is 228162793. The next prime is 228162871. The reversal of 228162842 is 248261822.

It can be written as a sum of positive squares in 2 ways, for example, as 188485441 + 39677401 = 13729^2 + 6299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53153 + ... + 57284.

Almost surely, 2228162842 is an apocalyptic number.

228162842 is a deficient number, since it is larger than the sum of its proper divisors (114415834).

228162842 is a wasteful number, since it uses less digits than its factorization.

228162842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111472.

The product of its digits is 24576, while the sum is 35.

The square root of 228162842 is about 15105.0601455274. The cubic root of 228162842 is about 611.0568814051.

The spelling of 228162842 in words is "two hundred twenty-eight million, one hundred sixty-two thousand, eight hundred forty-two".

Divisors: 1 2 1033 2066 110437 220874 114081421 228162842