Base | Representation |
---|---|
bin | 1010110001110… |
… | …10011011100111 |
3 | 20022010122122000 |
4 | 11120322123213 |
5 | 141121314441 |
6 | 12545540343 |
7 | 2145350016 |
oct | 530723347 |
9 | 208118560 |
10 | 90416871 |
11 | 47046596 |
12 | 263446b3 |
13 | 1596990c |
14 | c018a7d |
15 | 7e102b6 |
hex | 563a6e7 |
90416871 has 8 divisors (see below), whose sum is σ = 133950960. Its totient is φ = 60277896.
The previous prime is 90416869. The next prime is 90416873. The reversal of 90416871 is 17861409.
It is an interprime number because it is at equal distance from previous prime (90416869) and next prime (90416873).
It is not a de Polignac number, because 90416871 - 21 = 90416869 is a prime.
It is a super-2 number, since 2×904168712 = 16350421122861282, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90416873) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674360 + ... + 1674413.
It is an arithmetic number, because the mean of its divisors is an integer number (16743870).
Almost surely, 290416871 is an apocalyptic number.
90416871 is a deficient number, since it is larger than the sum of its proper divisors (43534089).
90416871 is a wasteful number, since it uses less digits than its factorization.
90416871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3348782 (or 3348776 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 90416871 is about 9508.7786281941. The cubic root of 90416871 is about 448.8313230590.
The spelling of 90416871 in words is "ninety million, four hundred sixteen thousand, eight hundred seventy-one".
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