Base | Representation |
---|---|
bin | 1111010101001101010111 |
3 | 21120012002000 |
4 | 33111031113 |
5 | 2012102111 |
6 | 222050343 |
7 | 46106202 |
oct | 17251527 |
9 | 7505060 |
10 | 4019031 |
11 | 22a5615 |
12 | 14199b3 |
13 | aa9433 |
14 | 768939 |
15 | 545c56 |
hex | 3d5357 |
4019031 has 8 divisors (see below), whose sum is σ = 5954160. Its totient is φ = 2679336.
The previous prime is 4019009. The next prime is 4019047. The reversal of 4019031 is 1309104.
It is not a de Polignac number, because 4019031 - 211 = 4016983 is a prime.
It is a super-2 number, since 2×40190312 = 32305220357922, which contains 22 as substring.
It is a nialpdrome in base 13.
It is a junction number, because it is equal to n+sod(n) for n = 4018995 and 4019013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4019131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74400 + ... + 74453.
It is an arithmetic number, because the mean of its divisors is an integer number (744270).
Almost surely, 24019031 is an apocalyptic number.
4019031 is a deficient number, since it is larger than the sum of its proper divisors (1935129).
4019031 is a wasteful number, since it uses less digits than its factorization.
4019031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148862 (or 148856 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 4019031 is about 2004.7521043760. The cubic root of 4019031 is about 158.9914555750.
The spelling of 4019031 in words is "four million, nineteen thousand, thirty-one".
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