Base | Representation |
---|---|
bin | 110001100010110… |
… | …000010010001100 |
3 | 2010221001001011022 |
4 | 301202300102030 |
5 | 3200241204002 |
6 | 214251213312 |
7 | 26412014600 |
oct | 6142602214 |
9 | 2127031138 |
10 | 831194252 |
11 | 3972075a9 |
12 | 1b2447238 |
13 | 103285625 |
14 | 7c569500 |
15 | 4ce89ba2 |
hex | 318b048c |
831194252 has 18 divisors (see below), whose sum is σ = 1692074412. Its totient is φ = 356226024.
The previous prime is 831194251. The next prime is 831194293. The reversal of 831194252 is 252491138.
It is not an unprimeable number, because it can be changed into a prime (831194251) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 2120198 + ... + 2120589.
It is an arithmetic number, because the mean of its divisors is an integer number (94004134).
Almost surely, 2831194252 is an apocalyptic number.
It is an amenable number.
831194252 is an abundant number, since it is smaller than the sum of its proper divisors (860880160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
831194252 is a wasteful number, since it uses less digits than its factorization.
831194252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4240805 (or 4240796 counting only the distinct ones).
The product of its digits is 17280, while the sum is 35.
The square root of 831194252 is about 28830.4396775353. The cubic root of 831194252 is about 940.2301579164.
The spelling of 831194252 in words is "eight hundred thirty-one million, one hundred ninety-four thousand, two hundred fifty-two".
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