Base | Representation |
---|---|
bin | 1010010011010… |
… | …01011011111101 |
3 | 20000121100020022 |
4 | 11021221123331 |
5 | 134110240401 |
6 | 12324101525 |
7 | 2066342033 |
oct | 511513375 |
9 | 200540208 |
10 | 86415101 |
11 | 44862a43 |
12 | 24b348a5 |
13 | 14b982c6 |
14 | b696553 |
15 | 78be71b |
hex | 52696fd |
86415101 has 4 divisors (see below), whose sum is σ = 87831804. Its totient is φ = 84998400.
The previous prime is 86415061. The next prime is 86415103. The reversal of 86415101 is 10151468.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 22335076 + 64080025 = 4726^2 + 8005^2 .
It is a cyclic number.
It is not a de Polignac number, because 86415101 - 26 = 86415037 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86415103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708260 + ... + 708381.
It is an arithmetic number, because the mean of its divisors is an integer number (21957951).
Almost surely, 286415101 is an apocalyptic number.
It is an amenable number.
86415101 is a deficient number, since it is larger than the sum of its proper divisors (1416703).
86415101 is a wasteful number, since it uses less digits than its factorization.
86415101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1416702.
The product of its (nonzero) digits is 960, while the sum is 26.
The square root of 86415101 is about 9295.9722998727. The cubic root of 86415101 is about 442.1095341511.
Adding to 86415101 its reverse (10151468), we get a palindrome (96566569).
The spelling of 86415101 in words is "eighty-six million, four hundred fifteen thousand, one hundred one".
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