Base | Representation |
---|---|
bin | 100010010001… |
… | …1010100101000 |
3 | 1020210222212001 |
4 | 1010203110220 |
5 | 14100023342 |
6 | 1441100344 |
7 | 305514022 |
oct | 104432450 |
9 | 36728761 |
10 | 17970472 |
11 | a164533 |
12 | 60276b4 |
13 | 3952720 |
14 | 255b012 |
15 | 189e8b7 |
hex | 1123528 |
17970472 has 32 divisors (see below), whose sum is σ = 36842400. Its totient is φ = 8167104.
The previous prime is 17970467. The next prime is 17970473. The reversal of 17970472 is 27407971.
It is not an unprimeable number, because it can be changed into a prime (17970473) 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, 5679 + ... + 8257.
It is an arithmetic number, because the mean of its divisors is an integer number (1151325).
Almost surely, 217970472 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 17970472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18421200).
17970472 is an abundant number, since it is smaller than the sum of its proper divisors (18871928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17970472 is a wasteful number, since it uses less digits than its factorization.
17970472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2665 (or 2661 counting only the distinct ones).
The product of its (nonzero) digits is 24696, while the sum is 37.
The square root of 17970472 is about 4239.1593506260. The cubic root of 17970472 is about 261.9307549655.
It can be divided in two parts, 179704 and 72, that added together give a square (179776 = 4242).
The spelling of 17970472 in words is "seventeen million, nine hundred seventy thousand, four hundred seventy-two".
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