| Base | Representation |
|---|---|
| bin | 100000001111… |
| … | …1000110110100 |
| 3 | 1011210211210100 |
| 4 | 1000133012310 |
| 5 | 13311422003 |
| 6 | 1402154100 |
| 7 | 263454426 |
| oct | 100370664 |
| 9 | 34724710 |
| 10 | 16904628 |
| 11 | 95a6774 |
| 12 | 57b2930 |
| 13 | 366b550 |
| 14 | 2360816 |
| 15 | 173dba3 |
| hex | 101f1b4 |
16904628 has 72 divisors (see below), whose sum is σ = 47194056. Its totient is φ = 5068800.
The previous prime is 16904611. The next prime is 16904663. The reversal of 16904628 is 82640961.
It can be written as a sum of positive squares in 4 ways, for example, as 1127844 + 15776784 = 1062^2 + 3972^2 .
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
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 = 16904592 and 16904601.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18748 + ... + 19628.
It is an arithmetic number, because the mean of its divisors is an integer number (655473).
Almost surely, 216904628 is an apocalyptic number.
16904628 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 16904628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23597028).
16904628 is an abundant number, since it is smaller than the sum of its proper divisors (30289428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16904628 is a wasteful number, since it uses less digits than its factorization.
16904628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 945 (or 940 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 16904628 is about 4111.5238051117. The cubic root of 16904628 is about 256.6464173227.
The spelling of 16904628 in words is "sixteen million, nine hundred four thousand, six hundred twenty-eight".
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