Base | Representation |
---|---|
bin | 11100001001000… |
… | …000000001010110 |
3 | 1012220101020211220 |
4 | 130021000001112 |
5 | 1431330341210 |
6 | 114503111210 |
7 | 14461652214 |
oct | 3411000126 |
9 | 1186336756 |
10 | 472121430 |
11 | 222555900 |
12 | 112142506 |
13 | 76a738c1 |
14 | 469b9cb4 |
15 | 2b6acc70 |
hex | 1c240056 |
472121430 has 96 divisors (see below), whose sum is σ = 1261274112. Its totient is φ = 113002560.
The previous prime is 472121417. The next prime is 472121431. The reversal of 472121430 is 34121274.
It is a happy number.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 472121430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (472121431) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 300507 + ... + 302073.
It is an arithmetic number, because the mean of its divisors is an integer number (13138272).
Almost surely, 2472121430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 472121430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630637056).
472121430 is an abundant number, since it is smaller than the sum of its proper divisors (789152682).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
472121430 is a wasteful number, since it uses less digits than its factorization.
472121430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1682 (or 1671 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 472121430 is about 21728.3554370781. The cubic root of 472121430 is about 778.6660467370. Note that the first 3 decimals are identical.
The spelling of 472121430 in words is "four hundred seventy-two million, one hundred twenty-one thousand, four hundred thirty".
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