Base | Representation |
---|---|
bin | 1000010111110… |
… | …10110010000000 |
3 | 11220011012212020 |
4 | 10023322302000 |
5 | 120434430331 |
6 | 10545201440 |
7 | 1511654364 |
oct | 413726200 |
9 | 156135766 |
10 | 70233216 |
11 | 36710289 |
12 | 1b630280 |
13 | 11720a21 |
14 | 94832a4 |
15 | 6274c96 |
hex | 42fac80 |
70233216 has 32 divisors (see below), whose sum is σ = 186558000. Its totient is φ = 23410944.
The previous prime is 70233211. The next prime is 70233223. The reversal of 70233216 is 61233207.
It is a tau number, because it is divible by the number of its divisors (32).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (70233211) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 91066 + ... + 91833.
Almost surely, 270233216 is an apocalyptic number.
It is an amenable number.
70233216 is an abundant number, since it is smaller than the sum of its proper divisors (116324784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70233216 is a wasteful number, since it uses less digits than its factorization.
70233216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182916 (or 182904 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 24.
The square root of 70233216 is about 8380.5259978118. The cubic root of 70233216 is about 412.5857129507.
Subtracting from 70233216 its reverse (61233207), we obtain a palindrome (9000009).
The spelling of 70233216 in words is "seventy million, two hundred thirty-three thousand, two hundred sixteen".
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