Search a number
-
+
9198930 = 23513103229
BaseRepresentation
bin100011000101…
…110101010010
3122022100120010
4203011311102
54323331210
6525055350
7141122016
oct43056522
918270503
109198930
115213324
1230b7556
131ba1070
141316546
15c1a920
hex8c5d52

9198930 has 64 divisors (see below), whose sum is σ = 24111360. Its totient is φ = 2232576.

The previous prime is 9198913. The next prime is 9198941. The reversal of 9198930 is 398919.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 31 ways as a sum of consecutive naturals, for example, 40056 + ... + 40284.

It is an arithmetic number, because the mean of its divisors is an integer number (376740).

Almost surely, 29198930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9198930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12055680).

9198930 is an abundant number, since it is smaller than the sum of its proper divisors (14912430).

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

9198930 is a wasteful number, since it uses less digits than its factorization.

9198930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 9198930 is about 3032.9737882151. The cubic root of 9198930 is about 209.5297869294.

The spelling of 9198930 in words is "nine million, one hundred ninety-eight thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 103 130 195 206 229 309 390 458 515 618 687 1030 1145 1339 1374 1545 2290 2678 2977 3090 3435 4017 5954 6695 6870 8034 8931 13390 14885 17862 20085 23587 29770 40170 44655 47174 70761 89310 117935 141522 235870 306631 353805 613262 707610 919893 1533155 1839786 3066310 4599465 9198930