Base | Representation |
---|---|
bin | 1010110001000… |
… | …11010011011101 |
3 | 20021221211200111 |
4 | 11120203103131 |
5 | 141110302031 |
6 | 12543530021 |
7 | 2144503600 |
oct | 530432335 |
9 | 207854614 |
10 | 90322141 |
11 | 46a913a8 |
12 | 262b9911 |
13 | 15935770 |
14 | bdd2337 |
15 | 7de21b1 |
hex | 56234dd |
90322141 has 12 divisors (see below), whose sum is σ = 113151612. Its totient is φ = 71463168.
The previous prime is 90322129. The next prime is 90322159. The reversal of 90322141 is 14122309.
It can be written as a sum of positive squares in 2 ways, for example, as 22325625 + 67996516 = 4725^2 + 8246^2 .
It is a de Polignac number, because none of the positive numbers 2k-90322141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90322121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70260 + ... + 71533.
It is an arithmetic number, because the mean of its divisors is an integer number (9429301).
Almost surely, 290322141 is an apocalyptic number.
90322141 is a gapful number since it is divisible by the number (91) formed by its first and last digit.
It is an amenable number.
90322141 is a deficient number, since it is larger than the sum of its proper divisors (22829471).
90322141 is a wasteful number, since it uses less digits than its factorization.
90322141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141820 (or 141813 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 90322141 is about 9503.7961362815. The cubic root of 90322141 is about 448.6745210224.
The spelling of 90322141 in words is "ninety million, three hundred twenty-two thousand, one hundred forty-one".
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