Base | Representation |
---|---|
bin | 1010101111001… |
… | …01101010010010 |
3 | 20021111000022222 |
4 | 11113211222102 |
5 | 141024212100 |
6 | 12534301042 |
7 | 2142402506 |
oct | 527455222 |
9 | 207430288 |
10 | 90069650 |
11 | 46929730 |
12 | 261b7782 |
13 | 15877868 |
14 | bd68306 |
15 | 7d92485 |
hex | 55e5a92 |
90069650 has 48 divisors (see below), whose sum is σ = 189095040. Its totient is φ = 31617600.
The previous prime is 90069647. The next prime is 90069667. The reversal of 90069650 is 5696009.
It is a super-2 number, since 2×900696502 = 16225083702245000, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 90069650.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13127 + ... + 18773.
It is an arithmetic number, because the mean of its divisors is an integer number (3939480).
Almost surely, 290069650 is an apocalyptic number.
90069650 is an abundant number, since it is smaller than the sum of its proper divisors (99025390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90069650 is a wasteful number, since it uses less digits than its factorization.
90069650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5699 (or 5694 counting only the distinct ones).
The product of its (nonzero) digits is 14580, while the sum is 35.
The square root of 90069650 is about 9490.5031478842. The cubic root of 90069650 is about 448.2560484917.
The spelling of 90069650 in words is "ninety million, sixty-nine thousand, six hundred fifty".
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