Base | Representation |
---|---|
bin | 1010011000000… |
… | …00000101010010 |
3 | 20001202200122211 |
4 | 11030000011102 |
5 | 134240012041 |
6 | 12345222334 |
7 | 2104522015 |
oct | 514000522 |
9 | 201680584 |
10 | 87032146 |
11 | 451445a3 |
12 | 251919aa |
13 | 15053116 |
14 | b7b737c |
15 | 7992481 |
hex | 5300152 |
87032146 has 8 divisors (see below), whose sum is σ = 138227580. Its totient is φ = 40956288.
The previous prime is 87032131. The next prime is 87032173. The reversal of 87032146 is 64123078.
It can be written as a sum of positive squares in 2 ways, for example, as 72675625 + 14356521 = 8525^2 + 3789^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279851 + ... + 1279918.
Almost surely, 287032146 is an apocalyptic number.
87032146 is a deficient number, since it is larger than the sum of its proper divisors (51195434).
87032146 is a wasteful number, since it uses less digits than its factorization.
87032146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2559788.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 87032146 is about 9329.1021004167. The cubic root of 87032146 is about 443.1593303367.
It can be divided in two parts, 87032 and 146, that added together give a palindrome (87178).
The spelling of 87032146 in words is "eighty-seven million, thirty-two thousand, one hundred forty-six".
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