Base | Representation |
---|---|
bin | 10110101011111… |
… | …10110011111000 |
3 | 111021002211112110 |
4 | 23111332303320 |
5 | 342204433142 |
6 | 30515012320 |
7 | 4500423345 |
oct | 1325766370 |
9 | 437084473 |
10 | 190311672 |
11 | 98475a81 |
12 | 5389a0a0 |
13 | 30574575 |
14 | 1b3bd7cc |
15 | 11a9399c |
hex | b57ecf8 |
190311672 has 32 divisors (see below), whose sum is σ = 480690000. Its totient is φ = 62782464.
The previous prime is 190311623. The next prime is 190311673. The reversal of 190311672 is 276113091.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190311673) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38547 + ... + 43202.
Almost surely, 2190311672 is an apocalyptic number.
190311672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
190311672 is an abundant number, since it is smaller than the sum of its proper divisors (290378328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190311672 is a wasteful number, since it uses less digits than its factorization.
190311672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81855 (or 81851 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 30.
The square root of 190311672 is about 13795.3496512412. The cubic root of 190311672 is about 575.2038818269.
The spelling of 190311672 in words is "one hundred ninety million, three hundred eleven thousand, six hundred seventy-two".
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