Base | Representation |
---|---|
bin | 1010011110110… |
… | …01110001011110 |
3 | 20010102222210021 |
4 | 11033121301132 |
5 | 140002030211 |
6 | 12420302354 |
7 | 2115224425 |
oct | 517316136 |
9 | 203388707 |
10 | 87923806 |
11 | 456a3503 |
12 | 255419ba |
13 | 152a5c29 |
14 | b96a2bc |
15 | 7abb771 |
hex | 53d9c5e |
87923806 has 8 divisors (see below), whose sum is σ = 134121240. Its totient is φ = 43216728.
The previous prime is 87923783. The next prime is 87923819. The reversal of 87923806 is 60832978.
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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372441 + ... + 372676.
It is an arithmetic number, because the mean of its divisors is an integer number (16765155).
Almost surely, 287923806 is an apocalyptic number.
87923806 is a deficient number, since it is larger than the sum of its proper divisors (46197434).
87923806 is a wasteful number, since it uses less digits than its factorization.
87923806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 745178.
The product of its (nonzero) digits is 145152, while the sum is 43.
The square root of 87923806 is about 9376.7694863423. The cubic root of 87923806 is about 444.6676068493.
The spelling of 87923806 in words is "eighty-seven million, nine hundred twenty-three thousand, eight hundred six".
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