Base | Representation |
---|---|
bin | 1100101111010… |
… | …0011101001010 |
3 | 10201112112022020 |
4 | 3023310131022 |
5 | 102134230330 |
6 | 5145105310 |
7 | 1216101600 |
oct | 313643512 |
9 | 121475266 |
10 | 53430090 |
11 | 281838aa |
12 | 15a88236 |
13 | b0b974c |
14 | 714b870 |
15 | 4a56210 |
hex | 32f474a |
53430090 has 96 divisors (see below), whose sum is σ = 157101120. Its totient is φ = 11563776.
The previous prime is 53430079. The next prime is 53430101. The reversal of 53430090 is 9003435.
It is an interprime number because it is at equal distance from previous prime (53430079) and next prime (53430101).
It is a self number, because there is not a number n which added to its sum of digits gives 53430090.
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, 26974 + ... + 28886.
It is an arithmetic number, because the mean of its divisors is an integer number (1636470).
Almost surely, 253430090 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53430090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78550560).
53430090 is an abundant number, since it is smaller than the sum of its proper divisors (103671030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53430090 is a wasteful number, since it uses less digits than its factorization.
53430090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1956 (or 1949 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 24.
The square root of 53430090 is about 7309.5889077294. The cubic root of 53430090 is about 376.6419028106.
The spelling of 53430090 in words is "fifty-three million, four hundred thirty thousand, ninety".
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