Search a number
-
+
9393930 = 23257133137
BaseRepresentation
bin100011110101…
…011100001010
3122200021001100
4203311130022
54401101210
6533202230
7142563360
oct43653412
918607040
109393930
115336887
123190376
131c3ba50
141367630
15c585c0
hex8f570a

9393930 has 192 divisors, whose sum is σ = 31868928. Its totient is φ = 1866240.

The previous prime is 9393929. The next prime is 9393949. The reversal of 9393930 is 393939.

9393930 = T179 + T180 + ... + T395.

9393930 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 2113-1.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 253872 + ... + 253908.

It is an arithmetic number, because the mean of its divisors is an integer number (165984).

Almost surely, 29393930 is an apocalyptic number.

9393930 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 9393930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15934464).

9393930 is an abundant number, since it is smaller than the sum of its proper divisors (22474998).

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

9393930 is a wasteful number, since it uses less digits than its factorization.

9393930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 19683, while the sum is 36.

The square root of 9393930 is about 3064.9518756418. The cubic root of 9393930 is about 210.9999925129. Note that the first 5 decimals are identical.

The spelling of 9393930 in words is "nine million, three hundred ninety-three thousand, nine hundred thirty".