Base | Representation |
---|---|
bin | 1000000001110… |
… | …0001000001000 |
3 | 2100100121001201 |
4 | 2000130020020 |
5 | 32104412030 |
6 | 3201353544 |
7 | 556121134 |
oct | 200341010 |
9 | 70317051 |
10 | 33669640 |
11 | 18007554 |
12 | b3388b4 |
13 | 6c8b384 |
14 | 46863c4 |
15 | 2e512ca |
hex | 201c208 |
33669640 has 16 divisors (see below), whose sum is σ = 75756780. Its totient is φ = 13467840.
The previous prime is 33669637. The next prime is 33669659. The reversal of 33669640 is 4696633.
It can be written as a sum of positive squares in 2 ways, for example, as 33477796 + 191844 = 5786^2 + 438^2 .
It is a super-2 number, since 2×336696402 = 2267289315459200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 33669640.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420831 + ... + 420910.
Almost surely, 233669640 is an apocalyptic number.
It is an amenable number.
33669640 is an abundant number, since it is smaller than the sum of its proper divisors (42087140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33669640 is a wasteful number, since it uses less digits than its factorization.
33669640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 841752 (or 841748 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 37.
The square root of 33669640 is about 5802.5546098249. The cubic root of 33669640 is about 322.9085102252.
The spelling of 33669640 in words is "thirty-three million, six hundred sixty-nine thousand, six hundred forty".
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