Base | Representation |
---|---|
bin | 1001010011000… |
… | …1110101010101 |
3 | 2201101110220101 |
4 | 2110301311111 |
5 | 34441021204 |
6 | 3511534101 |
7 | 652335535 |
oct | 224616525 |
9 | 81343811 |
10 | 39001429 |
11 | 20019395 |
12 | 1108a331 |
13 | 810718c |
14 | 52734c5 |
15 | 3655ea4 |
hex | 2531d55 |
39001429 has 4 divisors (see below), whose sum is σ = 39029760. Its totient is φ = 38973100.
The previous prime is 39001427. The next prime is 39001447. The reversal of 39001429 is 92410093.
It is a happy number.
39001429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92410093 = 181 ⋅510553.
It is a cyclic number.
It is not a de Polignac number, because 39001429 - 21 = 39001427 is a prime.
It is a super-2 number, since 2×390014292 = 3042222928084082, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 39001397 and 39001406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39001421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11989 + ... + 14890.
It is an arithmetic number, because the mean of its divisors is an integer number (9757440).
Almost surely, 239001429 is an apocalyptic number.
It is an amenable number.
39001429 is a deficient number, since it is larger than the sum of its proper divisors (28331).
39001429 is a wasteful number, since it uses less digits than its factorization.
39001429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28330.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 39001429 is about 6245.1124089163. The cubic root of 39001429 is about 339.1252861663.
It can be divided in two parts, 3900 and 1429, that added together give a square (5329 = 732).
The spelling of 39001429 in words is "thirty-nine million, one thousand, four hundred twenty-nine".
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