Base | Representation |
---|---|
bin | 10111111011000… |
… | …00011010100000 |
3 | 111222121020111200 |
4 | 23331200122200 |
5 | 402333013203 |
6 | 31525041200 |
7 | 4654456161 |
oct | 1375403240 |
9 | 458536450 |
10 | 200672928 |
11 | a33025a5 |
12 | 57256200 |
13 | 327616a1 |
14 | 1c919768 |
15 | 1293d9a3 |
hex | bf606a0 |
200672928 has 72 divisors (see below), whose sum is σ = 577149300. Its totient is φ = 66130944.
The previous prime is 200672903. The next prime is 200672933. The reversal of 200672928 is 829276002.
It can be written as a sum of positive squares in 2 ways, for example, as 173923344 + 26749584 = 13188^2 + 5172^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 200672892 and 200672901.
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 11 ways as a sum of consecutive naturals, for example, 21718 + ... + 29546.
Almost surely, 2200672928 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 200672928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288574650).
200672928 is an abundant number, since it is smaller than the sum of its proper divisors (376476372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200672928 is a wasteful number, since it uses less digits than its factorization.
200672928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7934 (or 7923 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 200672928 is about 14165.9072423901. The cubic root of 200672928 is about 585.4586978790.
The spelling of 200672928 in words is "two hundred million, six hundred seventy-two thousand, nine hundred twenty-eight".
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