Base | Representation |
---|---|
bin | 10110101101010… |
… | …01011111111000 |
3 | 111021102201101022 |
4 | 23112221133320 |
5 | 342231032040 |
6 | 30522442012 |
7 | 4502052200 |
oct | 1326513770 |
9 | 437381338 |
10 | 190486520 |
11 | 98585384 |
12 | 53963308 |
13 | 30606023 |
14 | 1b427400 |
15 | 11aca6b5 |
hex | b5a97f8 |
190486520 has 48 divisors (see below), whose sum is σ = 498574440. Its totient is φ = 65308992.
The previous prime is 190486519. The next prime is 190486523. The reversal of 190486520 is 25684091.
It is a super-2 number, since 2×1904865202 = 72570228603420800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190486523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46634 + ... + 50553.
Almost surely, 2190486520 is an apocalyptic number.
190486520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
190486520 is an abundant number, since it is smaller than the sum of its proper divisors (308087920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190486520 is a wasteful number, since it uses less digits than its factorization.
190486520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97212 (or 97201 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 190486520 is about 13801.6854043265. The cubic root of 190486520 is about 575.3799832409.
The spelling of 190486520 in words is "one hundred ninety million, four hundred eighty-six thousand, five hundred twenty".
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