Base | Representation |
---|---|
bin | 1001011010100… |
… | …1100111001111 |
3 | 2202022101220102 |
4 | 2112221213033 |
5 | 40102221142 |
6 | 3530241315 |
7 | 656451110 |
oct | 226514717 |
9 | 82271812 |
10 | 39492047 |
11 | 20323a61 |
12 | 1128623b |
13 | 824959a |
14 | 5360207 |
15 | 3701532 |
hex | 25a99cf |
39492047 has 16 divisors (see below), whose sum is σ = 46989312. Its totient is φ = 32477760.
The previous prime is 39492043. The next prime is 39492077. The reversal of 39492047 is 74029493.
It is not a de Polignac number, because 39492047 - 22 = 39492043 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 39492047.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39492043) 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, 26843 + ... + 28275.
It is an arithmetic number, because the mean of its divisors is an integer number (2936832).
Almost surely, 239492047 is an apocalyptic number.
39492047 is a deficient number, since it is larger than the sum of its proper divisors (7497265).
39492047 is a wasteful number, since it uses less digits than its factorization.
39492047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1598.
The product of its (nonzero) digits is 54432, while the sum is 38.
The square root of 39492047 is about 6284.2698064294. The cubic root of 39492047 is about 340.5413722484.
The spelling of 39492047 in words is "thirty-nine million, four hundred ninety-two thousand, forty-seven".
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