Base | Representation |
---|---|
bin | 10110110000010… |
… | …10110011010000 |
3 | 111022011222002111 |
4 | 23120022303100 |
5 | 342331310242 |
6 | 30535155104 |
7 | 4505332150 |
oct | 1330126320 |
9 | 438158074 |
10 | 190885072 |
11 | 98827864 |
12 | 53b15a94 |
13 | 30715561 |
14 | 1b4cc760 |
15 | 11b58817 |
hex | b60acd0 |
190885072 has 80 divisors (see below), whose sum is σ = 440741632. Its totient is φ = 78382080.
The previous prime is 190885069. The next prime is 190885081. The reversal of 190885072 is 270588091.
It is a super-2 number, since 2×1908850722 = 72874221424890368, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302197 + ... + 302827.
Almost surely, 2190885072 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 190885072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220370816).
190885072 is an abundant number, since it is smaller than the sum of its proper divisors (249856560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190885072 is a wasteful number, since it uses less digits than its factorization.
190885072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 756 (or 750 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 40.
The square root of 190885072 is about 13816.1163863077. The cubic root of 190885072 is about 575.7809899111.
The spelling of 190885072 in words is "one hundred ninety million, eight hundred eighty-five thousand, seventy-two".
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