Base | Representation |
---|---|
bin | 1000000101000… |
… | …1001011111100 |
3 | 2100202122012001 |
4 | 2001101023330 |
5 | 32133340342 |
6 | 3210152044 |
7 | 561014560 |
oct | 201211374 |
9 | 70678161 |
10 | 33886972 |
11 | 18145869 |
12 | b422624 |
13 | 7036282 |
14 | 47016a0 |
15 | 2e958b7 |
hex | 20512fc |
33886972 has 24 divisors (see below), whose sum is σ = 68189184. Its totient is φ = 14434032.
The previous prime is 33886961. The next prime is 33886987. The reversal of 33886972 is 27968833.
It is a super-2 number, since 2×338869722 = 2296653742657568, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053 + ... + 8299.
It is an arithmetic number, because the mean of its divisors is an integer number (2841216).
Almost surely, 233886972 is an apocalyptic number.
It is an amenable number.
33886972 is an abundant number, since it is smaller than the sum of its proper divisors (34302212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33886972 is a wasteful number, since it uses less digits than its factorization.
33886972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7425 (or 7423 counting only the distinct ones).
The product of its digits is 435456, while the sum is 46.
The square root of 33886972 is about 5821.2517554217. The cubic root of 33886972 is about 323.6017944908.
The spelling of 33886972 in words is "thirty-three million, eight hundred eighty-six thousand, nine hundred seventy-two".
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