Base | Representation |
---|---|
bin | 10110101101011… |
… | …10011110001000 |
3 | 111021110202022200 |
4 | 23112232132020 |
5 | 342232210023 |
6 | 30523120200 |
7 | 4502165445 |
oct | 1326563610 |
9 | 437422280 |
10 | 190506888 |
11 | 98599710 |
12 | 53973060 |
13 | 30612390 |
14 | 1b4309cc |
15 | 11ad1743 |
hex | b5ae788 |
190506888 has 96 divisors (see below), whose sum is σ = 606191040. Its totient is φ = 53285760.
The previous prime is 190506853. The next prime is 190506919. The reversal of 190506888 is 888605091.
190506888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1045 + ... + 19547.
It is an arithmetic number, because the mean of its divisors is an integer number (6314490).
Almost surely, 2190506888 is an apocalyptic number.
190506888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 190506888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303095520).
190506888 is an abundant number, since it is smaller than the sum of its proper divisors (415684152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190506888 is a wasteful number, since it uses less digits than its factorization.
190506888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18539 (or 18532 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 45.
The square root of 190506888 is about 13802.4232654994. The cubic root of 190506888 is about 575.4004902420.
The spelling of 190506888 in words is "one hundred ninety million, five hundred six thousand, eight hundred eighty-eight".
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