Base | Representation |
---|---|
bin | 1100011010000… |
… | …11111110000110 |
3 | 21020212012010000 |
4 | 12031003332012 |
5 | 203121244210 |
6 | 14154542130 |
7 | 2402504616 |
oct | 615037606 |
9 | 236765100 |
10 | 104087430 |
11 | 53833477 |
12 | 2aa37946 |
13 | 187450c5 |
14 | db76a46 |
15 | 9210ac0 |
hex | 6343f86 |
104087430 has 80 divisors (see below), whose sum is σ = 296382240. Its totient is φ = 26120448.
The previous prime is 104087393. The next prime is 104087437. The reversal of 104087430 is 34780401.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 104087394 and 104087403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104087437) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9991 + ... + 17549.
It is an arithmetic number, because the mean of its divisors is an integer number (3704778).
Almost surely, 2104087430 is an apocalyptic number.
104087430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 104087430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148191120).
104087430 is an abundant number, since it is smaller than the sum of its proper divisors (192294810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
104087430 is a wasteful number, since it uses less digits than its factorization.
104087430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7595 (or 7586 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 104087430 is about 10202.3247350788. The cubic root of 104087430 is about 470.3986808845.
The spelling of 104087430 in words is "one hundred four million, eighty-seven thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •