Base | Representation |
---|---|
bin | 1010110010110… |
… | …11101010110100 |
3 | 20022101120101021 |
4 | 11121123222310 |
5 | 141140144022 |
6 | 12552510524 |
7 | 2146454644 |
oct | 531335264 |
9 | 208346337 |
10 | 90553012 |
11 | 47129900 |
12 | 263ab444 |
13 | 159b6884 |
14 | c052524 |
15 | 7e3a7c7 |
hex | 565bab4 |
90553012 has 72 divisors (see below), whose sum is σ = 188434400. Its totient is φ = 37920960.
The previous prime is 90553003. The next prime is 90553013. The reversal of 90553012 is 21035509.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90553013) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395314 + ... + 395542.
Almost surely, 290553012 is an apocalyptic number.
It is an amenable number.
90553012 is an abundant number, since it is smaller than the sum of its proper divisors (97881388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90553012 is a wasteful number, since it uses less digits than its factorization.
90553012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 317 (or 304 counting only the distinct ones).
The product of its (nonzero) digits is 1350, while the sum is 25.
The square root of 90553012 is about 9515.9346361774. The cubic root of 90553012 is about 449.0564790569.
The spelling of 90553012 in words is "ninety million, five hundred fifty-three thousand, twelve".
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