Base | Representation |
---|---|
bin | 1110111001101100… |
… | …0001001101111001 |
3 | 101022202211010010210 |
4 | 3232123001031321 |
5 | 31143003412111 |
6 | 1500531101333 |
7 | 201060644220 |
oct | 35633011571 |
9 | 11282733123 |
10 | 4000060281 |
11 | 1772a25548 |
12 | 937741849 |
13 | 4b9942c99 |
14 | 29d36bcb7 |
15 | 1862880a6 |
hex | ee6c1379 |
4000060281 has 16 divisors (see below), whose sum is σ = 6103363968. Its totient is φ = 2282736000.
The previous prime is 4000060243. The next prime is 4000060301. The reversal of 4000060281 is 1820600004.
It is not a de Polignac number, because 4000060281 - 27 = 4000060153 is a prime.
It is a super-2 number, since 2×40000602812 = 32000964503267597922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (4000060381) 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, 109170 + ... + 141131.
It is an arithmetic number, because the mean of its divisors is an integer number (381460248).
Almost surely, 24000060281 is an apocalyptic number.
It is an amenable number.
4000060281 is a deficient number, since it is larger than the sum of its proper divisors (2103303687).
4000060281 is a wasteful number, since it uses less digits than its factorization.
4000060281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251072.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 4000060281 is about 63246.0297647212. The cubic root of 4000060281 is about 1587.4090261050.
Adding to 4000060281 its reverse (1820600004), we get a palindrome (5820660285).
The spelling of 4000060281 in words is "four billion, sixty thousand, two hundred eighty-one".
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