Base | Representation |
---|---|
bin | 11011111001111… |
… | …00001011010011 |
3 | 121022110102221001 |
4 | 31330330023103 |
5 | 434411011211 |
6 | 35121042431 |
7 | 5541431602 |
oct | 1574741323 |
9 | 538412831 |
10 | 234078931 |
11 | 110149a69 |
12 | 66486417 |
13 | 39659a58 |
14 | 23133a39 |
15 | 1583bac1 |
hex | df3c2d3 |
234078931 has 4 divisors (see below), whose sum is σ = 234181264. Its totient is φ = 233976600.
The previous prime is 234078893. The next prime is 234078961. The reversal of 234078931 is 139870432.
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 234078931 - 211 = 234076883 is a prime.
It is a super-2 number, since 2×2340789312 = 109585891876205522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (234078961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47655 + ... + 52336.
It is an arithmetic number, because the mean of its divisors is an integer number (58545316).
Almost surely, 2234078931 is an apocalyptic number.
234078931 is a deficient number, since it is larger than the sum of its proper divisors (102333).
234078931 is an equidigital number, since it uses as much as digits as its factorization.
234078931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102332.
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 234078931 is about 15299.6382636976. The cubic root of 234078931 is about 616.2932935639.
The spelling of 234078931 in words is "two hundred thirty-four million, seventy-eight thousand, nine hundred thirty-one".
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