Base | Representation |
---|---|
bin | 1010011110111… |
… | …01001111010110 |
3 | 20010110201021012 |
4 | 11033131033112 |
5 | 140003004011 |
6 | 12420452222 |
7 | 2115314012 |
oct | 517351726 |
9 | 203421235 |
10 | 87938006 |
11 | 45703142 |
12 | 2554a072 |
13 | 152ac530 |
14 | b971542 |
15 | 7ac0a8b |
hex | 53dd3d6 |
87938006 has 8 divisors (see below), whose sum is σ = 142053744. Its totient is φ = 40586760.
The previous prime is 87937999. The next prime is 87938017. The reversal of 87938006 is 60083978.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691090 + ... + 1691141.
It is an arithmetic number, because the mean of its divisors is an integer number (17756718).
Almost surely, 287938006 is an apocalyptic number.
87938006 is a deficient number, since it is larger than the sum of its proper divisors (54115738).
87938006 is a wasteful number, since it uses less digits than its factorization.
87938006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3382246.
The product of its (nonzero) digits is 72576, while the sum is 41.
The square root of 87938006 is about 9377.5266461898. The cubic root of 87938006 is about 444.6915440149.
The spelling of 87938006 in words is "eighty-seven million, nine hundred thirty-eight thousand, six".
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