Base | Representation |
---|---|
bin | 1010100000010… |
… | …01111000010111 |
3 | 20010211000002101 |
4 | 11100021320113 |
5 | 140024331410 |
6 | 12424422531 |
7 | 2120005054 |
oct | 520117027 |
9 | 203730071 |
10 | 88120855 |
11 | 45818559 |
12 | 25617a47 |
13 | 15344824 |
14 | b9bc02b |
15 | 7b09d3a |
hex | 5409e17 |
88120855 has 16 divisors (see below), whose sum is σ = 108094464. Its totient is φ = 68947200.
The previous prime is 88120847. The next prime is 88120859. The reversal of 88120855 is 55802188.
It is not a de Polignac number, because 88120855 - 23 = 88120847 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 (88120859) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45405 + ... + 47305.
It is an arithmetic number, because the mean of its divisors is an integer number (6755904).
Almost surely, 288120855 is an apocalyptic number.
88120855 is a deficient number, since it is larger than the sum of its proper divisors (19973609).
88120855 is a wasteful number, since it uses less digits than its factorization.
88120855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2106.
The product of its (nonzero) digits is 25600, while the sum is 37.
The square root of 88120855 is about 9387.2709026639. The cubic root of 88120855 is about 444.9995455115. Note that the first 3 decimals are identical.
It can be divided in two parts, 881 and 20855, that added together give a triangular number (21736 = T208).
The spelling of 88120855 in words is "eighty-eight million, one hundred twenty thousand, eight hundred fifty-five".
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