Base | Representation |
---|---|
bin | 11101010101110… |
… | …111010110001110 |
3 | 1021022021221211220 |
4 | 131111313112032 |
5 | 2002010132430 |
6 | 120503024210 |
7 | 15125143251 |
oct | 3525672616 |
9 | 1238257756 |
10 | 492270990 |
11 | 232968532 |
12 | 118a3b066 |
13 | 7acaa113 |
14 | 49543098 |
15 | 2d33d110 |
hex | 1d57758e |
492270990 has 32 divisors (see below), whose sum is σ = 1192928256. Its totient is φ = 129996960.
The previous prime is 492270971. The next prime is 492270991. The reversal of 492270990 is 99072294.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (492270991) 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, 76566 + ... + 82745.
It is an arithmetic number, because the mean of its divisors is an integer number (37279008).
Almost surely, 2492270990 is an apocalyptic number.
492270990 is an abundant number, since it is smaller than the sum of its proper divisors (700657266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492270990 is a wasteful number, since it uses less digits than its factorization.
492270990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159424.
The product of its (nonzero) digits is 81648, while the sum is 42.
The square root of 492270990 is about 22187.1807582667. The cubic root of 492270990 is about 789.5895908116.
The spelling of 492270990 in words is "four hundred ninety-two million, two hundred seventy thousand, nine hundred ninety".
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