Base | Representation |
---|---|
bin | 10111010100101… |
… | …00001010101110 |
3 | 111122010122102010 |
4 | 23222110022232 |
5 | 400041021110 |
6 | 31225142050 |
7 | 4563633633 |
oct | 1352241256 |
9 | 448118363 |
10 | 195642030 |
11 | a0486831 |
12 | 5562a926 |
13 | 316bc81c |
14 | 1bdaa18a |
15 | 12298020 |
hex | ba942ae |
195642030 has 16 divisors (see below), whose sum is σ = 469540944. Its totient is φ = 52171200.
The previous prime is 195641987. The next prime is 195642043. The reversal of 195642030 is 30246591.
195642030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1956420303 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 6521401 = 195642030 / (1 + 9 + 5 + 6 + 4 + 2 + 0 + 3 + 0).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3260671 + ... + 3260730.
It is an arithmetic number, because the mean of its divisors is an integer number (29346309).
Almost surely, 2195642030 is an apocalyptic number.
195642030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
195642030 is an abundant number, since it is smaller than the sum of its proper divisors (273898914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
195642030 is a wasteful number, since it uses less digits than its factorization.
195642030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6521411.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 195642030 is about 13987.2095144099. The cubic root of 195642030 is about 580.5247233189.
The spelling of 195642030 in words is "one hundred ninety-five million, six hundred forty-two thousand, thirty".
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