Base | Representation |
---|---|
bin | 10110011011111… |
… | …10110000000000 |
3 | 111010011021102222 |
4 | 23031332300000 |
5 | 341140324042 |
6 | 30402030212 |
7 | 4443536441 |
oct | 1315766000 |
9 | 433137388 |
10 | 188214272 |
11 | 97273194 |
12 | 53048368 |
13 | 2ccbb9bc |
14 | 1add52c8 |
15 | 117cc2d2 |
hex | b37ec00 |
188214272 has 44 divisors (see below), whose sum is σ = 385507416. Its totient is φ = 91791360.
The previous prime is 188214251. The next prime is 188214283. The reversal of 188214272 is 272412881.
It is a super-2 number, since 2×1882142722 = 70849224368979968, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39743 + ... + 44225.
Almost surely, 2188214272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 188214272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192753708).
188214272 is an abundant number, since it is smaller than the sum of its proper divisors (197293144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188214272 is an equidigital number, since it uses as much as digits as its factorization.
188214272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4544 (or 4526 counting only the distinct ones).
The product of its digits is 14336, while the sum is 35.
The square root of 188214272 is about 13719.1206715299. The cubic root of 188214272 is about 573.0829890753.
The spelling of 188214272 in words is "one hundred eighty-eight million, two hundred fourteen thousand, two hundred seventy-two".
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