Base | Representation |
---|---|
bin | 10000111011111… |
… | …01001100000000 |
3 | 100220022221010102 |
4 | 20131331030000 |
5 | 242332224103 |
6 | 22033021532 |
7 | 3343402535 |
oct | 1035751400 |
9 | 326287112 |
10 | 142070528 |
11 | 73216766 |
12 | 3b6b48a8 |
13 | 23583902 |
14 | 14c22d8c |
15 | c714e88 |
hex | 877d300 |
142070528 has 72 divisors (see below), whose sum is σ = 297794448. Its totient is φ = 67571712.
The previous prime is 142070459. The next prime is 142070531. The reversal of 142070528 is 825070241.
It is a self number, because there is not a number n which added to its sum of digits gives 142070528.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501875 + ... + 502157.
It is an arithmetic number, because the mean of its divisors is an integer number (4136034).
Almost surely, 2142070528 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 142070528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148897224).
142070528 is an abundant number, since it is smaller than the sum of its proper divisors (155723920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142070528 is an equidigital number, since it uses as much as digits as its factorization.
142070528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 389 (or 375 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 142070528 is about 11919.3342095941. The cubic root of 142070528 is about 521.7967040105.
The spelling of 142070528 in words is "one hundred forty-two million, seventy thousand, five hundred twenty-eight".
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