Base | Representation |
---|---|
bin | 10010010010110… |
… | …00011010000100 |
3 | 101200202021121100 |
4 | 21021120122010 |
5 | 303241013322 |
6 | 23121020100 |
7 | 3542224242 |
oct | 1111303204 |
9 | 350667540 |
10 | 153454212 |
11 | 7969146a |
12 | 43484630 |
13 | 25a3b212 |
14 | 16547792 |
15 | d712dac |
hex | 9258684 |
153454212 has 18 divisors (see below), whose sum is σ = 387898238. Its totient is φ = 51151392.
The previous prime is 153454199. The next prime is 153454219. The reversal of 153454212 is 212454351.
It can be written as a sum of positive squares in only one way, i.e., 150405696 + 3048516 = 12264^2 + 1746^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153454219) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2131273 + ... + 2131344.
Almost surely, 2153454212 is an apocalyptic number.
153454212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
153454212 is an abundant number, since it is smaller than the sum of its proper divisors (234444026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153454212 is a wasteful number, since it uses less digits than its factorization.
153454212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4262627 (or 4262622 counting only the distinct ones).
The product of its digits is 4800, while the sum is 27.
The square root of 153454212 is about 12387.6637022483. The cubic root of 153454212 is about 535.3768701622.
The spelling of 153454212 in words is "one hundred fifty-three million, four hundred fifty-four thousand, two hundred twelve".
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