Base | Representation |
---|---|
bin | 1010101111001… |
… | …01000110010001 |
3 | 20021110220011121 |
4 | 11113211012101 |
5 | 141024123340 |
6 | 12534242241 |
7 | 2142363004 |
oct | 527450621 |
9 | 207426147 |
10 | 90067345 |
11 | 46927a25 |
12 | 261b6381 |
13 | 158767b4 |
14 | bd6753b |
15 | 7d9194a |
hex | 55e5191 |
90067345 has 8 divisors (see below), whose sum is σ = 108144360. Its totient is φ = 72011520.
The previous prime is 90067339. The next prime is 90067349. The reversal of 90067345 is 54376009.
It can be written as a sum of positive squares in 4 ways, for example, as 12222016 + 77845329 = 3496^2 + 8823^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 90067345 - 23 = 90067337 is a prime.
It is a super-2 number, since 2×900673452 = 16224253270698050, 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 90067345.
It is not an unprimeable number, because it can be changed into a prime (90067349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6415 + ... + 14875.
It is an arithmetic number, because the mean of its divisors is an integer number (13518045).
Almost surely, 290067345 is an apocalyptic number.
It is an amenable number.
90067345 is a deficient number, since it is larger than the sum of its proper divisors (18077015).
90067345 is a wasteful number, since it uses less digits than its factorization.
90067345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10595.
The product of its (nonzero) digits is 22680, while the sum is 34.
The square root of 90067345 is about 9490.3817099208. The cubic root of 90067345 is about 448.2522246398.
The spelling of 90067345 in words is "ninety million, sixty-seven thousand, three hundred forty-five".
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