Base | Representation |
---|---|
bin | 11101010101010… |
… | …101001000000100 |
3 | 1021022000211120102 |
4 | 131111111020010 |
5 | 2001441141240 |
6 | 120500023232 |
7 | 15124020506 |
oct | 3525251004 |
9 | 1238024512 |
10 | 492130820 |
11 | 232882195 |
12 | 118991b18 |
13 | 7ac5b38c |
14 | 49507d76 |
15 | 2d311815 |
hex | 1d555204 |
492130820 has 48 divisors (see below), whose sum is σ = 1057650048. Its totient is φ = 192299520.
The previous prime is 492130817. The next prime is 492130823. The reversal of 492130820 is 28031294.
It is an interprime number because it is at equal distance from previous prime (492130817) and next prime (492130823).
It is not an unprimeable number, because it can be changed into a prime (492130823) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158927 + ... + 161993.
It is an arithmetic number, because the mean of its divisors is an integer number (22034376).
Almost surely, 2492130820 is an apocalyptic number.
It is an amenable number.
492130820 is an abundant number, since it is smaller than the sum of its proper divisors (565519228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492130820 is a wasteful number, since it uses less digits than its factorization.
492130820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3260 (or 3258 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 492130820 is about 22184.0217273604. The cubic root of 492130820 is about 789.5146407119.
The spelling of 492130820 in words is "four hundred ninety-two million, one hundred thirty thousand, eight hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •