Base | Representation |
---|---|
bin | 100000010100… |
… | …100110001100 |
3 | 120221110201210 |
4 | 200110212030 |
5 | 4132113342 |
6 | 501334420 |
7 | 132006354 |
oct | 40244614 |
9 | 16843653 |
10 | 8472972 |
11 | 4867962 |
12 | 2a07410 |
13 | 19a87c1 |
14 | 11a7b64 |
15 | b2579c |
hex | 81498c |
8472972 has 48 divisors (see below), whose sum is σ = 20547072. Its totient is φ = 2715840.
The previous prime is 8472943. The next prime is 8472977. The reversal of 8472972 is 2792748.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 8472972.
It is not an unprimeable number, because it can be changed into a prime (8472977) 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, 46722 + ... + 46902.
It is an arithmetic number, because the mean of its divisors is an integer number (428064).
Almost surely, 28472972 is an apocalyptic number.
It is an amenable number.
8472972 is an abundant number, since it is smaller than the sum of its proper divisors (12074100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8472972 is a wasteful number, since it uses less digits than its factorization.
8472972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 318 (or 316 counting only the distinct ones).
The product of its digits is 56448, while the sum is 39.
The square root of 8472972 is about 2910.8369930314. The cubic root of 8472972 is about 203.8662137026.
The spelling of 8472972 in words is "eight million, four hundred seventy-two thousand, nine hundred seventy-two".
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