Base | Representation |
---|---|
bin | 1111000101000… |
… | …01111010110100 |
3 | 22211000110212111 |
4 | 13202201322310 |
5 | 224340223330 |
6 | 20315100404 |
7 | 3064111222 |
oct | 742417264 |
9 | 284013774 |
10 | 126492340 |
11 | 65446627 |
12 | 36441704 |
13 | 2028b050 |
14 | 12b29b12 |
15 | b18932a |
hex | 78a1eb4 |
126492340 has 24 divisors (see below), whose sum is σ = 286067880. Its totient is φ = 46704768.
The previous prime is 126492337. The next prime is 126492347. The reversal of 126492340 is 43294621.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2748964 + 123743376 = 1658^2 + 11124^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126492347) 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, 242995 + ... + 243514.
It is an arithmetic number, because the mean of its divisors is an integer number (11919495).
Almost surely, 2126492340 is an apocalyptic number.
126492340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
126492340 is an abundant number, since it is smaller than the sum of its proper divisors (159575540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126492340 is a wasteful number, since it uses less digits than its factorization.
126492340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 486531 (or 486529 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 126492340 is about 11246.8813455109. The cubic root of 126492340 is about 501.9819202707.
The spelling of 126492340 in words is "one hundred twenty-six million, four hundred ninety-two thousand, three hundred forty".
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