Base | Representation |
---|---|
bin | 10110111001000… |
… | …00000000001010 |
3 | 111101022122121000 |
4 | 23130200000022 |
5 | 343124123430 |
6 | 31015355430 |
7 | 4521101334 |
oct | 1334400012 |
9 | 441278530 |
10 | 192020490 |
11 | 99432922 |
12 | 54382b76 |
13 | 30a222bc |
14 | 1b706454 |
15 | 11ccee60 |
hex | b72000a |
192020490 has 32 divisors (see below), whose sum is σ = 512055360. Its totient is φ = 51205392.
The previous prime is 192020489. The next prime is 192020501. The reversal of 192020490 is 94020291.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355324 + ... + 355863.
It is an arithmetic number, because the mean of its divisors is an integer number (16001730).
Almost surely, 2192020490 is an apocalyptic number.
192020490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
192020490 is an abundant number, since it is smaller than the sum of its proper divisors (320034870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
192020490 is a wasteful number, since it uses less digits than its factorization.
192020490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 711203 (or 711197 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 192020490 is about 13857.1458100144. The cubic root of 192020490 is about 576.9203494025.
It can be divided in two parts, 192020 and 490, that added together give a triangular number (192510 = T620).
The spelling of 192020490 in words is "one hundred ninety-two million, twenty thousand, four hundred ninety".
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