Base | Representation |
---|---|
bin | 11010111100101… |
… | …111011101100100 |
3 | 1011111202121200000 |
4 | 122330233131210 |
5 | 1411221140120 |
6 | 112510421300 |
7 | 14130022122 |
oct | 3274573544 |
9 | 1144677600 |
10 | 452130660 |
11 | 212241503 |
12 | 107501830 |
13 | 72894747 |
14 | 44094912 |
15 | 29a5e990 |
hex | 1af2f764 |
452130660 has 144 divisors (see below), whose sum is σ = 1468626432. Its totient is φ = 116640000.
The previous prime is 452130643. The next prime is 452130689. The reversal of 452130660 is 66031254.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149160 + ... + 152160.
Almost surely, 2452130660 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 452130660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734313216).
452130660 is an abundant number, since it is smaller than the sum of its proper divisors (1016495772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
452130660 is a wasteful number, since it uses less digits than its factorization.
452130660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3056 (or 3042 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 452130660 is about 21263.3642681491. The cubic root of 452130660 is about 767.5169692125.
The spelling of 452130660 in words is "four hundred fifty-two million, one hundred thirty thousand, six hundred sixty".
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