Base | Representation |
---|---|
bin | 11010111100101… |
… | …111001000000000 |
3 | 1011111202112202220 |
4 | 122330233020000 |
5 | 1411221114110 |
6 | 112510411040 |
7 | 14130015111 |
oct | 3274571000 |
9 | 1144675686 |
10 | 452129280 |
11 | 212240469 |
12 | 107500a80 |
13 | 72893c25 |
14 | 44094208 |
15 | 29a5e370 |
hex | 1af2f200 |
452129280 has 160 divisors (see below), whose sum is σ = 1530866304. Its totient is φ = 113442816.
The previous prime is 452129269. The next prime is 452129311. The reversal of 452129280 is 82921254.
It is a tau number, because it is divible by the number of its divisors (160).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128829 + ... + 132291.
Almost surely, 2452129280 is an apocalyptic number.
452129280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 452129280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765433152).
452129280 is an abundant number, since it is smaller than the sum of its proper divisors (1078737024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
452129280 is a wasteful number, since it uses less digits than its factorization.
452129280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3506 (or 3490 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 452129280 is about 21263.3318179442. The cubic root of 452129280 is about 767.5161883361.
The spelling of 452129280 in words is "four hundred fifty-two million, one hundred twenty-nine thousand, two hundred eighty".
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