Base | Representation |
---|---|
bin | 1000010110001… |
… | …11100000101100 |
3 | 11212202112210022 |
4 | 10023013200230 |
5 | 120411220322 |
6 | 10540501312 |
7 | 1510121210 |
oct | 413074054 |
9 | 155675708 |
10 | 70023212 |
11 | 36587526 |
12 | 1b54a838 |
13 | 1167926c |
14 | 942a940 |
15 | 6232942 |
hex | 42c782c |
70023212 has 24 divisors (see below), whose sum is σ = 140469504. Its totient is φ = 29919312.
The previous prime is 70023169. The next prime is 70023223. The reversal of 70023212 is 21232007.
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, 6113 + ... + 13319.
It is an arithmetic number, because the mean of its divisors is an integer number (5852896).
Almost surely, 270023212 is an apocalyptic number.
It is an amenable number.
70023212 is an abundant number, since it is smaller than the sum of its proper divisors (70446292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70023212 is a wasteful number, since it uses less digits than its factorization.
70023212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7565 (or 7563 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 70023212 is about 8367.9873326864. The cubic root of 70023212 is about 412.1740788867.
Adding to 70023212 its reverse (21232007), we get a palindrome (91255219).
The spelling of 70023212 in words is "seventy million, twenty-three thousand, two hundred twelve".
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