Base | Representation |
---|---|
bin | 10110101010001… |
… | …01111100000101 |
3 | 111020122222222210 |
4 | 23111011330011 |
5 | 342130004400 |
6 | 30510014033 |
7 | 4465433244 |
oct | 1325057405 |
9 | 436588883 |
10 | 190078725 |
11 | 98326a61 |
12 | 537a7319 |
13 | 304c2525 |
14 | 1b35c95b |
15 | 11a49950 |
hex | b545f05 |
190078725 has 24 divisors (see below), whose sum is σ = 314658432. Its totient is φ = 101248000.
The previous prime is 190078703. The next prime is 190078729. The reversal of 190078725 is 527870091.
190078725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 190078725 - 218 = 189816581 is a prime.
It is a super-2 number, since 2×1900787252 = 72259843395251250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190078729) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117925 + ... + 119525.
It is an arithmetic number, because the mean of its divisors is an integer number (13110768).
Almost surely, 2190078725 is an apocalyptic number.
190078725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
190078725 is a deficient number, since it is larger than the sum of its proper divisors (124579707).
190078725 is a wasteful number, since it uses less digits than its factorization.
190078725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3197 (or 3192 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 39.
The square root of 190078725 is about 13786.9041122364. The cubic root of 190078725 is about 574.9690972680.
The spelling of 190078725 in words is "one hundred ninety million, seventy-eight thousand, seven hundred twenty-five".
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