Base | Representation |
---|---|
bin | 1100100001010… |
… | …10010111011110 |
3 | 21022122010122000 |
4 | 12100222113132 |
5 | 203341444014 |
6 | 14231103130 |
7 | 2413515135 |
oct | 620522736 |
9 | 238563560 |
10 | 105031134 |
11 | 5431849a |
12 | 2b211aa6 |
13 | 189b5800 |
14 | dd4091c |
15 | 934a509 |
hex | 642a5de |
105031134 has 96 divisors (see below), whose sum is σ = 267999840. Its totient is φ = 30371328.
The previous prime is 105031103. The next prime is 105031177. The reversal of 105031134 is 431130501.
It is a super-2 number, since 2×1050311342 = 22063078218651912, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154804 + ... + 155480.
It is an arithmetic number, because the mean of its divisors is an integer number (2791665).
Almost surely, 2105031134 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 105031134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133999920).
105031134 is an abundant number, since it is smaller than the sum of its proper divisors (162968706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105031134 is a wasteful number, since it uses less digits than its factorization.
105031134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 731 (or 712 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 105031134 is about 10248.4698370049. The cubic root of 105031134 is about 471.8160222124.
Adding to 105031134 its reverse (431130501), we get a palindrome (536161635).
The spelling of 105031134 in words is "one hundred five million, thirty-one thousand, one hundred thirty-four".
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