Base | Representation |
---|---|
bin | 1010110000000… |
… | …11101111100011 |
3 | 20021201021100120 |
4 | 11120003233203 |
5 | 141042132432 |
6 | 12541051323 |
7 | 2143424652 |
oct | 530035743 |
9 | 207637316 |
10 | 90192867 |
11 | 46a03266 |
12 | 26256b43 |
13 | 158bb97b |
14 | bd9b199 |
15 | 7db8c2c |
hex | 5603be3 |
90192867 has 32 divisors (see below), whose sum is σ = 133747200. Its totient is φ = 53805312.
The previous prime is 90192841. The next prime is 90192917. The reversal of 90192867 is 76829109.
It is not a de Polignac number, because 90192867 - 28 = 90192611 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90192467) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116293 + ... + 117065.
It is an arithmetic number, because the mean of its divisors is an integer number (4179600).
Almost surely, 290192867 is an apocalyptic number.
90192867 is a deficient number, since it is larger than the sum of its proper divisors (43554333).
90192867 is a wasteful number, since it uses less digits than its factorization.
90192867 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 907.
The product of its (nonzero) digits is 54432, while the sum is 42.
The square root of 90192867 is about 9496.9925239520. The cubic root of 90192867 is about 448.4603629608.
The spelling of 90192867 in words is "ninety million, one hundred ninety-two thousand, eight hundred sixty-seven".
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