Base | Representation |
---|---|
bin | 10010001101110… |
… | …10000111100011 |
3 | 101122112100020021 |
4 | 21012322013203 |
5 | 303104241414 |
6 | 23055054311 |
7 | 3533554063 |
oct | 1106720743 |
9 | 348470207 |
10 | 152805859 |
11 | 79289338 |
12 | 43211397 |
13 | 2587208b |
14 | 164193a3 |
15 | d635c24 |
hex | 91ba1e3 |
152805859 has 4 divisors (see below), whose sum is σ = 159449616. Its totient is φ = 146162104.
The previous prime is 152805857. The next prime is 152805889. The reversal of 152805859 is 958508251.
152805859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 152805859 - 21 = 152805857 is a prime.
It is not an unprimeable number, because it can be changed into a prime (152805853) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3321844 + ... + 3321889.
It is an arithmetic number, because the mean of its divisors is an integer number (39862404).
Almost surely, 2152805859 is an apocalyptic number.
152805859 is a deficient number, since it is larger than the sum of its proper divisors (6643757).
152805859 is an equidigital number, since it uses as much as digits as its factorization.
152805859 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6643756.
The product of its (nonzero) digits is 144000, while the sum is 43.
The square root of 152805859 is about 12361.4667010028. The cubic root of 152805859 is about 534.6218062598.
It can be divided in two parts, 152805 and 859, that added together give a square (153664 = 3922).
The spelling of 152805859 in words is "one hundred fifty-two million, eight hundred five thousand, eight hundred fifty-nine".
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