Base | Representation |
---|---|
bin | 1001010011011… |
… | …0011101111101 |
3 | 2201102102221111 |
4 | 2110312131331 |
5 | 34442123123 |
6 | 3512202021 |
7 | 652445065 |
oct | 224663575 |
9 | 81372844 |
10 | 39020413 |
11 | 20031683 |
12 | 11099311 |
13 | 8112a03 |
14 | 527a3a5 |
15 | 365b90d |
hex | 253677d |
39020413 has 4 divisors (see below), whose sum is σ = 40279168. Its totient is φ = 37761660.
The previous prime is 39020411. The next prime is 39020437. The reversal of 39020413 is 31402093.
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: 31402093 = 71 ⋅442283.
It is a cyclic number.
It is not a de Polignac number, because 39020413 - 21 = 39020411 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39020411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629331 + ... + 629392.
It is an arithmetic number, because the mean of its divisors is an integer number (10069792).
Almost surely, 239020413 is an apocalyptic number.
It is an amenable number.
39020413 is a deficient number, since it is larger than the sum of its proper divisors (1258755).
39020413 is a wasteful number, since it uses less digits than its factorization.
39020413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1258754.
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 39020413 is about 6246.6321325975. The cubic root of 39020413 is about 339.1803004767.
The spelling of 39020413 in words is "thirty-nine million, twenty thousand, four hundred thirteen".
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