Base | Representation |
---|---|
bin | 1001000110110… |
… | …01101000011100 |
3 | 12022201221212020 |
4 | 10203121220130 |
5 | 124023421032 |
6 | 11325140140 |
7 | 1615203066 |
oct | 443315034 |
9 | 168657766 |
10 | 76388892 |
11 | 3a135118 |
12 | 216ba650 |
13 | 12a97838 |
14 | a206736 |
15 | 6a8db2c |
hex | 48d9a1c |
76388892 has 48 divisors (see below), whose sum is σ = 190041600. Its totient is φ = 23811840.
The previous prime is 76388891. The next prime is 76388899. The reversal of 76388892 is 29888367.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76388891) 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, 15892 + ... + 20132.
It is an arithmetic number, because the mean of its divisors is an integer number (3959200).
Almost surely, 276388892 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 76388892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95020800).
76388892 is an abundant number, since it is smaller than the sum of its proper divisors (113652708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76388892 is a wasteful number, since it uses less digits than its factorization.
76388892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4346 (or 4344 counting only the distinct ones).
The product of its digits is 1161216, while the sum is 51.
The square root of 76388892 is about 8740.0739127309. The cubic root of 76388892 is about 424.3036198985.
The spelling of 76388892 in words is "seventy-six million, three hundred eighty-eight thousand, eight hundred ninety-two".
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