Base | Representation |
---|---|
bin | 1000010110010… |
… | …10000111000100 |
3 | 11212210002101200 |
4 | 10023022013010 |
5 | 120412040420 |
6 | 10541022500 |
7 | 1510164231 |
oct | 413120704 |
9 | 155702350 |
10 | 70033860 |
11 | 36594526 |
12 | 1b554a30 |
13 | 11681070 |
14 | 9430788 |
15 | 6235b90 |
hex | 42ca1c4 |
70033860 has 108 divisors (see below), whose sum is σ = 230107332. Its totient is φ = 17139456.
The previous prime is 70033793. The next prime is 70033883. The reversal of 70033860 is 6833007.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 3154176 + 66879684 = 1776^2 + 8178^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 404734 + ... + 404906.
Almost surely, 270033860 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 70033860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115053666).
70033860 is an abundant number, since it is smaller than the sum of its proper divisors (160073472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70033860 is a wasteful number, since it uses less digits than its factorization.
70033860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374 (or 196 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 70033860 is about 8368.6235427339. The cubic root of 70033860 is about 412.1949700885.
Adding to 70033860 its reverse (6833007), we get a palindrome (76866867).
The spelling of 70033860 in words is "seventy million, thirty-three thousand, eight hundred sixty".
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