Base | Representation |
---|---|
bin | 101001101100… |
… | …101110000000 |
3 | 202120100121112 |
4 | 221230232000 |
5 | 10244243242 |
6 | 1030142452 |
7 | 161625005 |
oct | 51545600 |
9 | 22510545 |
10 | 10931072 |
11 | 6196749 |
12 | 37b1a28 |
13 | 23595b9 |
14 | 16478ac |
15 | e5dc82 |
hex | a6cb80 |
10931072 has 64 divisors (see below), whose sum is σ = 23500800. Its totient is φ = 5051904.
The previous prime is 10931071. The next prime is 10931077. The reversal of 10931072 is 27013901.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10931071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138329 + ... + 138407.
It is an arithmetic number, because the mean of its divisors is an integer number (367200).
Almost surely, 210931072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10931072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11750400).
10931072 is an abundant number, since it is smaller than the sum of its proper divisors (12569728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10931072 is an equidigital number, since it uses as much as digits as its factorization.
10931072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163 (or 151 counting only the distinct ones).
The product of its (nonzero) digits is 378, while the sum is 23.
The square root of 10931072 is about 3306.2171737501. The cubic root of 10931072 is about 221.9325066042.
Adding to 10931072 its reverse (27013901), we get a palindrome (37944973).
The spelling of 10931072 in words is "ten million, nine hundred thirty-one thousand, seventy-two".
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