Base | Representation |
---|---|
bin | 111111101010… |
… | …1010010010000 |
3 | 2022210212000202 |
4 | 1333111102100 |
5 | 32021120342 |
6 | 3151234332 |
7 | 553502150 |
oct | 177252220 |
9 | 68725022 |
10 | 33379472 |
11 | 17929545 |
12 | b2189a8 |
13 | 6bb9289 |
14 | 460c760 |
15 | 2de5332 |
hex | 1fd5490 |
33379472 has 20 divisors (see below), whose sum is σ = 73911936. Its totient is φ = 14305440.
The previous prime is 33379471. The next prime is 33379499. The reversal of 33379472 is 27497333.
It is a happy number.
It is a super-2 number, since 2×333794722 = 2228378301997568, which contains 22 as substring.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (33379471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148904 + ... + 149127.
Almost surely, 233379472 is an apocalyptic number.
It is an amenable number.
33379472 is an abundant number, since it is smaller than the sum of its proper divisors (40532464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33379472 is a wasteful number, since it uses less digits than its factorization.
33379472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 298046 (or 298040 counting only the distinct ones).
The product of its digits is 95256, while the sum is 38.
The square root of 33379472 is about 5777.4970359144. The cubic root of 33379472 is about 321.9782143871.
The spelling of 33379472 in words is "thirty-three million, three hundred seventy-nine thousand, four hundred seventy-two".
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