Search a number
-
+
33830394 = 2313433723
BaseRepresentation
bin1000000100001…
…1010111111010
32100122202120120
42001003113322
532130033034
63205034110
7560360613
oct201032772
970582516
1033830394
1118107304
12b3b5936
1370165b0
1446c8c0a
152e83c49
hex20435fa

33830394 has 16 divisors (see below), whose sum is σ = 72865632. Its totient is φ = 10409328.

The previous prime is 33830389. The next prime is 33830437. The reversal of 33830394 is 49303833.

It is a super-2 number, since 2×338303942 = 2288991116390472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216784 + ... + 216939.

It is an arithmetic number, because the mean of its divisors is an integer number (4554102).

Almost surely, 233830394 is an apocalyptic number.

33830394 is an abundant number, since it is smaller than the sum of its proper divisors (39035238).

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

33830394 is a wasteful number, since it uses less digits than its factorization.

33830394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433741.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 33830394 is about 5816.3901175901. The cubic root of 33830394 is about 323.4215979906.

The spelling of 33830394 in words is "thirty-three million, eight hundred thirty thousand, three hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 78 433723 867446 1301169 2602338 5638399 11276798 16915197 33830394