Base | Representation |
---|---|
bin | 1010101111011… |
… | …10111010001001 |
3 | 20021112221021220 |
4 | 11113232322021 |
5 | 141031420104 |
6 | 12535152253 |
7 | 2142621111 |
oct | 527567211 |
9 | 207487256 |
10 | 90107529 |
11 | 46955136 |
12 | 26215689 |
13 | 1588bb85 |
14 | bd78041 |
15 | 7d9d7d9 |
hex | 55eee89 |
90107529 has 8 divisors (see below), whose sum is σ = 120416352. Its totient is φ = 59935200.
The previous prime is 90107527. The next prime is 90107533. The reversal of 90107529 is 92570109.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 90107529 - 21 = 90107527 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 90107529.
It is not an unprimeable number, because it can be changed into a prime (90107527) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32572 + ... + 35229.
It is an arithmetic number, because the mean of its divisors is an integer number (15052044).
Almost surely, 290107529 is an apocalyptic number.
It is an amenable number.
90107529 is a deficient number, since it is larger than the sum of its proper divisors (30308823).
90107529 is a wasteful number, since it uses less digits than its factorization.
90107529 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68247.
The product of its (nonzero) digits is 5670, while the sum is 33.
The square root of 90107529 is about 9492.4985646562. The cubic root of 90107529 is about 448.3188780581.
The spelling of 90107529 in words is "ninety million, one hundred seven thousand, five hundred twenty-nine".
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