Base | Representation |
---|---|
bin | 10111000000101… |
… | …10110100100000 |
3 | 111110020000101012 |
4 | 23200112310200 |
5 | 343404001311 |
6 | 31053200052 |
7 | 4532511632 |
oct | 1340266440 |
9 | 443200335 |
10 | 193031456 |
11 | 99a63432 |
12 | 54790028 |
13 | 30cb74c7 |
14 | 1b8caa52 |
15 | 11e2e78b |
hex | b816d20 |
193031456 has 24 divisors (see below), whose sum is σ = 396555264. Its totient is φ = 92319040.
The previous prime is 193031417. The next prime is 193031467. The reversal of 193031456 is 654130391.
It is a super-2 number, since 2×1930314562 = 74522286010959872, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130400 + ... + 131871.
It is an arithmetic number, because the mean of its divisors is an integer number (16523136).
Almost surely, 2193031456 is an apocalyptic number.
193031456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
193031456 is an abundant number, since it is smaller than the sum of its proper divisors (203523808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193031456 is a wasteful number, since it uses less digits than its factorization.
193031456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262304 (or 262296 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 32.
The square root of 193031456 is about 13893.5760695366. The cubic root of 193031456 is about 577.9310510300.
The spelling of 193031456 in words is "one hundred ninety-three million, thirty-one thousand, four hundred fifty-six".
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