Search a number
-
+
30752994 = 2337831669
BaseRepresentation
bin111010101010…
…0000011100010
32010212102011210
41311110003202
530333043434
63015050550
7522252606
oct165240342
963772153
1030752994
11163a51a8
12a370a56
1364a994c
144127506
152a76ee9
hex1d540e2

30752994 has 32 divisors (see below), whose sum is σ = 63967680. Its totient is φ = 9847872.

The previous prime is 30752989. The next prime is 30753043. The reversal of 30752994 is 49925703.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 17592 + ... + 19260.

It is an arithmetic number, because the mean of its divisors is an integer number (1998990).

Almost surely, 230752994 is an apocalyptic number.

30752994 is an abundant number, since it is smaller than the sum of its proper divisors (33214686).

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

30752994 is a wasteful number, since it uses less digits than its factorization.

30752994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 30752994 is about 5545.5382065224. The cubic root of 30752994 is about 313.3014954321.

It can be divided in two parts, 307 and 52994, that added together give a triangular number (53301 = T326).

The spelling of 30752994 in words is "thirty million, seven hundred fifty-two thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 37 74 83 111 166 222 249 498 1669 3071 3338 5007 6142 9213 10014 18426 61753 123506 138527 185259 277054 370518 415581 831162 5125499 10250998 15376497 30752994