Search a number
-
+
30845622 = 2323832693
BaseRepresentation
bin111010110101…
…0101010110110
32011001010020110
41311222222312
530344024442
63021043450
7523116633
oct165525266
964033213
1030845622
1116458855
12a3b6586
13650cb62
14414d18a
152a9469c
hex1d6aab6

30845622 has 32 divisors (see below), whose sum is σ = 65173248. Its totient is φ = 9712736.

The previous prime is 30845611. The next prime is 30845623. The reversal of 30845622 is 22654803.

It is a self number, because there is not a number n which added to its sum of digits gives 30845622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30845623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10108 + ... + 12800.

It is an arithmetic number, because the mean of its divisors is an integer number (2036664).

Almost surely, 230845622 is an apocalyptic number.

30845622 is an abundant number, since it is smaller than the sum of its proper divisors (34327626).

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

30845622 is a wasteful number, since it uses less digits than its factorization.

30845622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 30845622 is about 5553.8835061604. The cubic root of 30845622 is about 313.6157347873.

The spelling of 30845622 in words is "thirty million, eight hundred forty-five thousand, six hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 83 138 166 249 498 1909 2693 3818 5386 5727 8079 11454 16158 61939 123878 185817 223519 371634 447038 670557 1341114 5140937 10281874 15422811 30845622