Base | Representation |
---|---|
bin | 1000111000010… |
… | …00110000111000 |
3 | 12012011012221000 |
4 | 10130020300320 |
5 | 123032003132 |
6 | 11220245000 |
7 | 1563052554 |
oct | 434106070 |
9 | 165135830 |
10 | 74484792 |
11 | 39054588 |
12 | 20b40760 |
13 | 1257bc55 |
14 | 9c6c864 |
15 | 681487c |
hex | 4708c38 |
74484792 has 64 divisors (see below), whose sum is σ = 207648000. Its totient is φ = 24738912.
The previous prime is 74484791. The next prime is 74484797. The reversal of 74484792 is 29748447.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74484791) 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, 90093 + ... + 90915.
It is an arithmetic number, because the mean of its divisors is an integer number (3244500).
Almost surely, 274484792 is an apocalyptic number.
74484792 is a gapful number since it is divisible by the number (72) 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 74484792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103824000).
74484792 is an abundant number, since it is smaller than the sum of its proper divisors (133163208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74484792 is a wasteful number, since it uses less digits than its factorization.
74484792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1257 (or 1247 counting only the distinct ones).
The product of its digits is 451584, while the sum is 45.
The square root of 74484792 is about 8630.4572300661. The cubic root of 74484792 is about 420.7484613300.
The spelling of 74484792 in words is "seventy-four million, four hundred eighty-four thousand, seven hundred ninety-two".
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