Base | Representation |
---|---|
bin | 10110101010101… |
… | …00111010010110 |
3 | 111020210010010020 |
4 | 23111110322112 |
5 | 342133440204 |
6 | 30511210010 |
7 | 4466110116 |
oct | 1325247226 |
9 | 436703106 |
10 | 190140054 |
11 | 98369045 |
12 | 53816906 |
13 | 30514410 |
14 | 1b377046 |
15 | 11a5cbd9 |
hex | b554e96 |
190140054 has 16 divisors (see below), whose sum is σ = 409532592. Its totient is φ = 58504608.
The previous prime is 190140047. The next prime is 190140061. The reversal of 190140054 is 450041091.
It is an interprime number because it is at equal distance from previous prime (190140047) and next prime (190140061).
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, 1218769 + ... + 1218924.
It is an arithmetic number, because the mean of its divisors is an integer number (25595787).
Almost surely, 2190140054 is an apocalyptic number.
190140054 is an abundant number, since it is smaller than the sum of its proper divisors (219392538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190140054 is a wasteful number, since it uses less digits than its factorization.
190140054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2437711.
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 190140054 is about 13789.1281087674. The cubic root of 190140054 is about 575.0309286451.
The spelling of 190140054 in words is "one hundred ninety million, one hundred forty thousand, fifty-four".
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