Base | Representation |
---|---|
bin | 11100101000001… |
… | …00011111111011 |
3 | 121201212111100102 |
4 | 32110010133323 |
5 | 442434023311 |
6 | 35455030015 |
7 | 5644114262 |
oct | 1624043773 |
9 | 551774312 |
10 | 240142331 |
11 | 113610540 |
12 | 6850b30b |
13 | 3a9a0870 |
14 | 23c715d9 |
15 | 1613843b |
hex | e5047fb |
240142331 has 16 divisors (see below), whose sum is σ = 286917120. Its totient is φ = 198095520.
The previous prime is 240142327. The next prime is 240142351. The reversal of 240142331 is 133241042.
It is a cyclic number.
It is not a de Polignac number, because 240142331 - 22 = 240142327 is a prime.
It is a super-2 number, since 2×2401423312 = 115336678276227122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (240142351) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5795 + ... + 22668.
It is an arithmetic number, because the mean of its divisors is an integer number (17932320).
Almost surely, 2240142331 is an apocalyptic number.
240142331 is a deficient number, since it is larger than the sum of its proper divisors (46774789).
240142331 is a wasteful number, since it uses less digits than its factorization.
240142331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28546.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 240142331 is about 15496.5264172330. The cubic root of 240142331 is about 621.5693256665.
Adding to 240142331 its reverse (133241042), we get a palindrome (373383373).
The spelling of 240142331 in words is "two hundred forty million, one hundred forty-two thousand, three hundred thirty-one".
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