Base | Representation |
---|---|
bin | 100000010100… |
… | …011111011110 |
3 | 120221110010212 |
4 | 200110133132 |
5 | 4132110132 |
6 | 501332422 |
7 | 132005201 |
oct | 40243736 |
9 | 16843125 |
10 | 8472542 |
11 | 4867601 |
12 | 2a07112 |
13 | 19a8550 |
14 | 11a7938 |
15 | b255b2 |
hex | 8147de |
8472542 has 16 divisors (see below), whose sum is σ = 13755840. Its totient is φ = 3890592.
The previous prime is 8472539. The next prime is 8472547. The reversal of 8472542 is 2452748.
8472542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a d-powerful number, because it can be written as 83 + 45 + 72 + 27 + 57 + 46 + 223 .
It is a junction number, because it is equal to n+sod(n) for n = 8472499 and 8472508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8472547) 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, 5243 + ... + 6665.
It is an arithmetic number, because the mean of its divisors is an integer number (859740).
Almost surely, 28472542 is an apocalyptic number.
8472542 is a deficient number, since it is larger than the sum of its proper divisors (5283298).
8472542 is a wasteful number, since it uses less digits than its factorization.
8472542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1667.
The product of its digits is 17920, while the sum is 32.
The square root of 8472542 is about 2910.7631301774. The cubic root of 8472542 is about 203.8627649342.
The spelling of 8472542 in words is "eight million, four hundred seventy-two thousand, five hundred forty-two".
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