Base | Representation |
---|---|
bin | 1000111011011… |
… | …00001011100000 |
3 | 12012220220111210 |
4 | 10131230023200 |
5 | 123133021000 |
6 | 11233110120 |
7 | 1566400011 |
oct | 435541340 |
9 | 165826453 |
10 | 74892000 |
11 | 39302517 |
12 | 210b8340 |
13 | 126923c1 |
14 | 9d37008 |
15 | 6895350 |
hex | 476c2e0 |
74892000 has 144 divisors (see below), whose sum is σ = 248491152. Its totient is φ = 19718400.
The previous prime is 74891951. The next prime is 74892011. The reversal of 74892000 is 29847.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 947961 + ... + 948039.
It is an arithmetic number, because the mean of its divisors is an integer number (1725633).
Almost surely, 274892000 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 74892000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124245576).
74892000 is an abundant number, since it is smaller than the sum of its proper divisors (173599152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74892000 is an equidigital number, since it uses as much as digits as its factorization.
74892000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186 (or 89 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 74892000 is about 8654.0164085816. The cubic root of 74892000 is about 421.5138115700.
Multiplying 74892000 by its sum of digits (30), we get a square (2246760000 = 474002).
74892000 divided by its sum of digits (30) gives a square (2496400 = 15802).
The spelling of 74892000 in words is "seventy-four million, eight hundred ninety-two thousand".
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