Base | Representation |
---|---|
bin | 1010101110001… |
… | …01101001111011 |
3 | 20021020100111121 |
4 | 11113011221323 |
5 | 141011013210 |
6 | 12531410111 |
7 | 2141315350 |
oct | 527055173 |
9 | 207210447 |
10 | 89938555 |
11 | 4684a193 |
12 | 26153937 |
13 | 1582cca5 |
14 | bd32627 |
15 | 7d686da |
hex | 55c5a7b |
89938555 has 16 divisors (see below), whose sum is σ = 125037504. Its totient is φ = 60825600.
The previous prime is 89938553. The next prime is 89938561. The reversal of 89938555 is 55583998.
It is not a de Polignac number, because 89938555 - 21 = 89938553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89938553) 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, 15046 + ... + 20155.
It is an arithmetic number, because the mean of its divisors is an integer number (7814844).
Almost surely, 289938555 is an apocalyptic number.
89938555 is a deficient number, since it is larger than the sum of its proper divisors (35098949).
89938555 is a wasteful number, since it uses less digits than its factorization.
89938555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35286.
The product of its digits is 1944000, while the sum is 52.
The square root of 89938555 is about 9483.5939917312. The cubic root of 89938555 is about 448.0384662842.
The spelling of 89938555 in words is "eighty-nine million, nine hundred thirty-eight thousand, five hundred fifty-five".
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