Base | Representation |
---|---|
bin | 10110101101001… |
… | …10000000010100 |
3 | 111021101222202101 |
4 | 23112212000110 |
5 | 342230102322 |
6 | 30522251444 |
7 | 4501662400 |
oct | 1326460024 |
9 | 437358671 |
10 | 190472212 |
11 | 98575657 |
12 | 53956b84 |
13 | 305cc668 |
14 | 1b422100 |
15 | 11ac6327 |
hex | b5a6014 |
190472212 has 36 divisors (see below), whose sum is σ = 388560564. Its totient is φ = 81459840.
The previous prime is 190472201. The next prime is 190472221. The reversal of 190472212 is 212274091.
It can be written as a sum of positive squares in 2 ways, for example, as 43480836 + 146991376 = 6594^2 + 12124^2 .
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148518 + ... + 149794.
It is an arithmetic number, because the mean of its divisors is an integer number (10793349).
Almost surely, 2190472212 is an apocalyptic number.
It is an amenable number.
190472212 is an abundant number, since it is smaller than the sum of its proper divisors (198088352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190472212 is a wasteful number, since it uses less digits than its factorization.
190472212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2056 (or 2047 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 190472212 is about 13801.1670521011. The cubic root of 190472212 is about 575.3655767221.
The spelling of 190472212 in words is "one hundred ninety million, four hundred seventy-two thousand, two hundred twelve".
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