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9628830 = 2325831289
BaseRepresentation
bin100100101110…
…110010011110
3200010012021100
4210232302132
54431110310
6542213530
7144562251
oct44566236
920105240
109628830
115487312
1232842a6
131cc1943
1413c9098
15ca2ec0
hex92ec9e

9628830 has 48 divisors (see below), whose sum is σ = 25356240. Its totient is φ = 2534784.

The previous prime is 9628813. The next prime is 9628831. The reversal of 9628830 is 388269.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9628831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6826 + ... + 8114.

It is an arithmetic number, because the mean of its divisors is an integer number (528255).

Almost surely, 29628830 is an apocalyptic number.

9628830 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9628830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12678120).

9628830 is an abundant number, since it is smaller than the sum of its proper divisors (15727410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9628830 is a wasteful number, since it uses less digits than its factorization.

9628830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 9628830 is about 3103.0356104950. The cubic root of 9628830 is about 212.7442543175.

The spelling of 9628830 in words is "nine million, six hundred twenty-eight thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 83 90 166 249 415 498 747 830 1245 1289 1494 2490 2578 3735 3867 6445 7470 7734 11601 12890 19335 23202 38670 58005 106987 116010 213974 320961 534935 641922 962883 1069870 1604805 1925766 3209610 4814415 9628830