Base | Representation |
---|---|
bin | 100001001100… |
… | …011000100000 |
3 | 121101002011202 |
4 | 201030120200 |
5 | 4211421342 |
6 | 510300332 |
7 | 133650503 |
oct | 41143040 |
9 | 17332152 |
10 | 8701472 |
11 | 4a035aa |
12 | 2ab76a8 |
13 | 1a58800 |
14 | 122713a |
15 | b6d332 |
hex | 84c620 |
8701472 has 36 divisors (see below), whose sum is σ = 18561690. Its totient is φ = 4013568.
The previous prime is 8701457. The next prime is 8701477. The reversal of 8701472 is 2741078.
It can be written as a sum of positive squares in 3 ways, for example, as 6948496 + 1752976 = 2636^2 + 1324^2 .
It is a super-2 number, since 2×87014722 = 151431229933568, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (8701477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4604 + ... + 6212.
Almost surely, 28701472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8701472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9280845).
8701472 is an abundant number, since it is smaller than the sum of its proper divisors (9860218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8701472 is a wasteful number, since it uses less digits than its factorization.
8701472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1645 (or 1624 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 29.
The square root of 8701472 is about 2949.8257575660. The cubic root of 8701472 is about 205.6826104963.
The spelling of 8701472 in words is "eight million, seven hundred one thousand, four hundred seventy-two".
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