Base | Representation |
---|---|
bin | 10110101010011… |
… | …01001111101010 |
3 | 111020201112001010 |
4 | 23111031033222 |
5 | 342131434100 |
6 | 30510404350 |
7 | 4465616424 |
oct | 1325151752 |
9 | 436645033 |
10 | 190108650 |
11 | 98347496 |
12 | 538006b6 |
13 | 30503034 |
14 | 1b369814 |
15 | 11a53750 |
hex | b54d3ea |
190108650 has 48 divisors (see below), whose sum is σ = 472719744. Its totient is φ = 50561280.
The previous prime is 190108649. The next prime is 190108669. The reversal of 190108650 is 56801091.
It is a happy number.
It is a super-2 number, since 2×1901086502 = 72282597609645000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
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, 63487 + ... + 66413.
It is an arithmetic number, because the mean of its divisors is an integer number (9848328).
Almost surely, 2190108650 is an apocalyptic number.
190108650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
190108650 is an abundant number, since it is smaller than the sum of its proper divisors (282611094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190108650 is a wasteful number, since it uses less digits than its factorization.
190108650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3375 (or 3370 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 30.
The square root of 190108650 is about 13787.9893385511. The cubic root of 190108650 is about 574.9992690602. Note that the first 3 decimals are identical.
The spelling of 190108650 in words is "one hundred ninety million, one hundred eight thousand, six hundred fifty".
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