Base | Representation |
---|---|
bin | 10111011100111… |
… | …10010000011010 |
3 | 111201012000110210 |
4 | 23232132100122 |
5 | 400330410210 |
6 | 31304351550 |
7 | 4606123323 |
oct | 1356362032 |
9 | 451160423 |
10 | 196731930 |
11 | a106067a |
12 | 55a755b6 |
13 | 319b1935 |
14 | 1c1b144a |
15 | 12410e20 |
hex | bb9e41a |
196731930 has 16 divisors (see below), whose sum is σ = 472156704. Its totient is φ = 52461840.
The previous prime is 196731889. The next prime is 196731937. The reversal of 196731930 is 39137691.
It is not an unprimeable number, because it can be changed into a prime (196731937) 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, 3278836 + ... + 3278895.
It is an arithmetic number, because the mean of its divisors is an integer number (29509794).
Almost surely, 2196731930 is an apocalyptic number.
196731930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
196731930 is an abundant number, since it is smaller than the sum of its proper divisors (275424774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
196731930 is a wasteful number, since it uses less digits than its factorization.
196731930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6557741.
The product of its (nonzero) digits is 30618, while the sum is 39.
The square root of 196731930 is about 14026.1159983796. The cubic root of 196731930 is about 581.6007405608.
The spelling of 196731930 in words is "one hundred ninety-six million, seven hundred thirty-one thousand, nine hundred thirty".
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