Base | Representation |
---|---|
bin | 1111000100111… |
… | …00111000110010 |
3 | 22210222102121011 |
4 | 13202130320302 |
5 | 224334043410 |
6 | 20314421134 |
7 | 3063664150 |
oct | 742347062 |
9 | 283872534 |
10 | 126471730 |
11 | 654320a0 |
12 | 364317aa |
13 | 20281858 |
14 | 12b223d0 |
15 | b18318a |
hex | 789ce32 |
126471730 has 32 divisors (see below), whose sum is σ = 283824000. Its totient is φ = 39419520.
The previous prime is 126471713. The next prime is 126471731. The reversal of 126471730 is 37174621.
It is a super-3 number, since 3×1264717303 (a number of 25 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 126471692 and 126471701.
It is not an unprimeable number, because it can be changed into a prime (126471731) 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, 81355 + ... + 82894.
It is an arithmetic number, because the mean of its divisors is an integer number (8869500).
Almost surely, 2126471730 is an apocalyptic number.
126471730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
126471730 is an abundant number, since it is smaller than the sum of its proper divisors (157352270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126471730 is a wasteful number, since it uses less digits than its factorization.
126471730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164274.
The product of its (nonzero) digits is 7056, while the sum is 31.
The square root of 126471730 is about 11245.9650541872. The cubic root of 126471730 is about 501.9546553541.
The spelling of 126471730 in words is "one hundred twenty-six million, four hundred seventy-one thousand, seven hundred thirty".
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