Base | Representation |
---|---|
bin | 1000000101000… |
… | …0101111000000 |
3 | 2100202112122110 |
4 | 2001100233000 |
5 | 32133310440 |
6 | 3210135320 |
7 | 561006303 |
oct | 201205700 |
9 | 70675573 |
10 | 33885120 |
11 | 18144435 |
12 | b421540 |
13 | 7035489 |
14 | 4700b3a |
15 | 2e95080 |
hex | 2050bc0 |
33885120 has 112 divisors (see below), whose sum is σ = 110020608. Its totient is φ = 8832000.
The previous prime is 33885101. The next prime is 33885127. The reversal of 33885120 is 2158833.
It is a happy number.
It is a super-2 number, since 2×338851202 = 2296402714828800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33885127) 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, 44745 + ... + 45495.
Almost surely, 233885120 is an apocalyptic number.
33885120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 33885120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55010304).
33885120 is an abundant number, since it is smaller than the sum of its proper divisors (76135488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33885120 is a wasteful number, since it uses less digits than its factorization.
33885120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 818 (or 808 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 33885120 is about 5821.0926809320. The cubic root of 33885120 is about 323.5958991924.
It can be divided in two parts, 338 and 85120, that added together give a palindrome (85458).
The spelling of 33885120 in words is "thirty-three million, eight hundred eighty-five thousand, one hundred twenty".
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