Base | Representation |
---|---|
bin | 1010101111011… |
… | …10111010110110 |
3 | 20021112221100120 |
4 | 11113232322312 |
5 | 141031420244 |
6 | 12535152410 |
7 | 2142621204 |
oct | 527567266 |
9 | 207487316 |
10 | 90107574 |
11 | 46955177 |
12 | 26215706 |
13 | 1588bbbb |
14 | bd78074 |
15 | 7d9d819 |
hex | 55eeeb6 |
90107574 has 8 divisors (see below), whose sum is σ = 180215160. Its totient is φ = 30035856.
The previous prime is 90107533. The next prime is 90107581. The reversal of 90107574 is 47570109.
It is a sphenic number, since it is the product of 3 distinct primes.
90107574 is an admirable number.
It is a Curzon number.
It is a plaindrome in base 13.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7508959 + ... + 7508970.
It is an arithmetic number, because the mean of its divisors is an integer number (22526895).
Almost surely, 290107574 is an apocalyptic number.
90107574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90107574 is a wasteful number, since it uses less digits than its factorization.
90107574 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15017934.
The product of its (nonzero) digits is 8820, while the sum is 33.
The square root of 90107574 is about 9492.5009349486. The cubic root of 90107574 is about 448.3189526888.
The spelling of 90107574 in words is "ninety million, one hundred seven thousand, five hundred seventy-four".
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