Base | Representation |
---|---|
bin | 11011111001110… |
… | …11111101000010 |
3 | 121022110101200020 |
4 | 31330323331002 |
5 | 434410444033 |
6 | 35121034310 |
7 | 5541426126 |
oct | 1574737502 |
9 | 538411606 |
10 | 234078018 |
11 | 110149309 |
12 | 66485996 |
13 | 39659505 |
14 | 23133586 |
15 | 1583b6b3 |
hex | df3bf42 |
234078018 has 16 divisors (see below), whose sum is σ = 471843840. Its totient is φ = 77411376.
The previous prime is 234078007. The next prime is 234078023. The reversal of 234078018 is 810870432.
It is a self number, because there is not a number n which added to its sum of digits gives 234078018.
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, 152833 + ... + 154356.
It is an arithmetic number, because the mean of its divisors is an integer number (29490240).
Almost surely, 2234078018 is an apocalyptic number.
234078018 is an abundant number, since it is smaller than the sum of its proper divisors (237765822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234078018 is a wasteful number, since it uses less digits than its factorization.
234078018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307321.
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 234078018 is about 15299.6084263618. The cubic root of 234078018 is about 616.2924923007.
The spelling of 234078018 in words is "two hundred thirty-four million, seventy-eight thousand, eighteen".
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