Base | Representation |
---|---|
bin | 1100110011100… |
… | …11110010000000 |
3 | 21111010221212120 |
4 | 12121303302000 |
5 | 210000211432 |
6 | 14354324240 |
7 | 2443063026 |
oct | 631636200 |
9 | 244127776 |
10 | 107428992 |
11 | 55705aa0 |
12 | 2bb89680 |
13 | 19345068 |
14 | 103a6716 |
15 | 9670c2c |
hex | 6673c80 |
107428992 has 128 divisors (see below), whose sum is σ = 322401600. Its totient is φ = 31395840.
The previous prime is 107428969. The next prime is 107428999. The reversal of 107428992 is 299824701.
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (107428999) 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, 122058 + ... + 122934.
Almost surely, 2107428992 is an apocalyptic number.
107428992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 107428992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161200800).
107428992 is an abundant number, since it is smaller than the sum of its proper divisors (214972608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
107428992 is a wasteful number, since it uses less digits than its factorization.
107428992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 934 (or 922 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 107428992 is about 10364.7958011724. The cubic root of 107428992 is about 475.3795555404.
The spelling of 107428992 in words is "one hundred seven million, four hundred twenty-eight thousand, nine hundred ninety-two".
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