Base | Representation |
---|---|
bin | 111111000010… |
… | …1001000000100 |
3 | 2022012011122022 |
4 | 1332011020010 |
5 | 31430114030 |
6 | 3140222312 |
7 | 550634003 |
oct | 176051004 |
9 | 68164568 |
10 | 33051140 |
11 | 177248a1 |
12 | b09a998 |
13 | 6b029b5 |
14 | 4564c3a |
15 | 2d7cde5 |
hex | 1f85204 |
33051140 has 24 divisors (see below), whose sum is σ = 69538392. Its totient is φ = 13195520.
The previous prime is 33051107. The next prime is 33051163. The reversal of 33051140 is 4115033.
It can be written as a sum of positive squares in 4 ways, for example, as 6031936 + 27019204 = 2456^2 + 5198^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12320 + ... + 14760.
It is an arithmetic number, because the mean of its divisors is an integer number (2897433).
Almost surely, 233051140 is an apocalyptic number.
It is an amenable number.
33051140 is an abundant number, since it is smaller than the sum of its proper divisors (36487252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33051140 is a wasteful number, since it uses less digits than its factorization.
33051140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3127 (or 3125 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 33051140 is about 5749.0120890463. The cubic root of 33051140 is about 320.9190376910.
Adding to 33051140 its reverse (4115033), we get a palindrome (37166173).
The spelling of 33051140 in words is "thirty-three million, fifty-one thousand, one hundred forty".
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