Base | Representation |
---|---|
bin | 1010011110101… |
… | …10011000100110 |
3 | 20010102021202012 |
4 | 11033112120212 |
5 | 140001104201 |
6 | 12420114222 |
7 | 2115136106 |
oct | 517263046 |
9 | 203367665 |
10 | 87909926 |
11 | 45694035 |
12 | 25535972 |
13 | 1529c810 |
14 | b965206 |
15 | 7ab75bb |
hex | 53d6626 |
87909926 has 8 divisors (see below), whose sum is σ = 142008384. Its totient is φ = 40573800.
The previous prime is 87909923. The next prime is 87909929. The reversal of 87909926 is 62990978.
It is an interprime number because it is at equal distance from previous prime (87909923) and next prime (87909929).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87909923) 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, 1690550 + ... + 1690601.
It is an arithmetic number, because the mean of its divisors is an integer number (17751048).
Almost surely, 287909926 is an apocalyptic number.
87909926 is a deficient number, since it is larger than the sum of its proper divisors (54098458).
87909926 is a wasteful number, since it uses less digits than its factorization.
87909926 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3381166.
The product of its (nonzero) digits is 489888, while the sum is 50.
The square root of 87909926 is about 9376.0293301589. The cubic root of 87909926 is about 444.6442066218.
The spelling of 87909926 in words is "eighty-seven million, nine hundred nine thousand, nine hundred twenty-six".
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