Search a number
-
+
30813234 = 235135539
BaseRepresentation
bin111010110001…
…0110000110010
32010222110210220
41311202300302
530342010414
63020233510
7522623334
oct165426062
963873726
1030813234
1116436491
12a39b896
1364cb1aa
144141454
152a89ca9
hex1d62c32

30813234 has 8 divisors (see below), whose sum is σ = 61626480. Its totient is φ = 10271076.

The previous prime is 30813221. The next prime is 30813271. The reversal of 30813234 is 43231803.

It is a sphenic number, since it is the product of 3 distinct primes.

30813234 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567764 + ... + 2567775.

It is an arithmetic number, because the mean of its divisors is an integer number (7703310).

Almost surely, 230813234 is an apocalyptic number.

30813234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30813234 is a wasteful number, since it uses less digits than its factorization.

30813234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135544.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30813234 is about 5550.9669427947. The cubic root of 30813234 is about 313.5059305111.

The spelling of 30813234 in words is "thirty million, eight hundred thirteen thousand, two hundred thirty-four".

Divisors: 1 2 3 6 5135539 10271078 15406617 30813234