Base | Representation |
---|---|
bin | 1010110101011… |
… | …11000110010101 |
3 | 20100000221010220 |
4 | 11122233012111 |
5 | 141232112431 |
6 | 13004104553 |
7 | 2152410150 |
oct | 532570625 |
9 | 210027126 |
10 | 90894741 |
11 | 47342623 |
12 | 26535159 |
13 | 15aa6292 |
14 | c100c97 |
15 | 7ea6b96 |
hex | 56af195 |
90894741 has 16 divisors (see below), whose sum is σ = 139507200. Its totient is φ = 51564528.
The previous prime is 90894737. The next prime is 90894763. The reversal of 90894741 is 14749809.
It is not a de Polignac number, because 90894741 - 22 = 90894737 is a prime.
It is a super-3 number, since 3×908947413 (a number of 25 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 90894693 and 90894702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90894731) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12651 + ... + 18488.
It is an arithmetic number, because the mean of its divisors is an integer number (8719200).
Almost surely, 290894741 is an apocalyptic number.
It is an amenable number.
90894741 is a deficient number, since it is larger than the sum of its proper divisors (48612459).
90894741 is a wasteful number, since it uses less digits than its factorization.
90894741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31288.
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 90894741 is about 9533.8733471764. The cubic root of 90894741 is about 449.6206531426.
The spelling of 90894741 in words is "ninety million, eight hundred ninety-four thousand, seven hundred forty-one".
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