| Base | Representation |
|---|---|
| bin | 1100011010100… |
| … | …11001011100000 |
| 3 | 21020222100120100 |
| 4 | 12031103023200 |
| 5 | 203130242403 |
| 6 | 14200142400 |
| 7 | 2403154344 |
| oct | 615231340 |
| 9 | 236870510 |
| 10 | 104149728 |
| 11 | 53876261 |
| 12 | 2aa67a00 |
| 13 | 18767577 |
| 14 | db91624 |
| 15 | 92242a3 |
| hex | 63532e0 |
104149728 has 72 divisors (see below), whose sum is σ = 299812968. Its totient is φ = 34290432.
The previous prime is 104149723. The next prime is 104149733. The reversal of 104149728 is 827941401.
It is an interprime number because it is at equal distance from previous prime (104149723) and next prime (104149733).
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 104149692 and 104149701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104149723) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21726 + ... + 26082.
It is an arithmetic number, because the mean of its divisors is an integer number (4164069).
Almost surely, 2104149728 is an apocalyptic number.
104149728 is a gapful number since it is divisible by the number (18) 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 104149728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149906484).
104149728 is an abundant number, since it is smaller than the sum of its proper divisors (195663240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
104149728 is a wasteful number, since it uses less digits than its factorization.
104149728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4456 (or 4445 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 104149728 is about 10205.3774060541. The cubic root of 104149728 is about 470.4925092250.
The spelling of 104149728 in words is "one hundred four million, one hundred forty-nine thousand, seven hundred twenty-eight".
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