Base | Representation |
---|---|
bin | 10011100100001101010010 |
3 | 100122120201112 |
4 | 103210031102 |
5 | 2303112132 |
6 | 301533322 |
7 | 61411322 |
oct | 23441522 |
9 | 10576645 |
10 | 5129042 |
11 | 2993586 |
12 | 1874242 |
13 | 10a7749 |
14 | 977282 |
15 | 6b4ab2 |
hex | 4e4352 |
5129042 has 4 divisors (see below), whose sum is σ = 7693566. Its totient is φ = 2564520.
The previous prime is 5129041. The next prime is 5129057. The reversal of 5129042 is 2409215.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2409215 = 5 ⋅481843.
It can be written as a sum of positive squares in only one way, i.e., 3389281 + 1739761 = 1841^2 + 1319^2 .
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 5128999 and 5129017.
It is not an unprimeable number, because it can be changed into a prime (5129041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282259 + ... + 1282262.
Almost surely, 25129042 is an apocalyptic number.
5129042 is a deficient number, since it is larger than the sum of its proper divisors (2564524).
5129042 is a wasteful number, since it uses less digits than its factorization.
5129042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2564523.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 5129042 is about 2264.7388370406. The cubic root of 5129042 is about 172.4561759429.
The spelling of 5129042 in words is "five million, one hundred twenty-nine thousand, forty-two".
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