Search a number
-
+
30843084 = 22373137257
BaseRepresentation
bin111010110101…
…0000011001100
32011000222202110
41311222003030
530343434314
63021024020
7523106346
oct165520314
964028673
1030843084
1116456958
12a3b5010
13650b95c
14414c296
152a93a59
hex1d6a0cc

30843084 has 48 divisors (see below), whose sum is σ = 73771488. Its totient is φ = 10027008.

The previous prime is 30843073. The next prime is 30843091. The reversal of 30843084 is 48034803.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119884 + ... + 120140.

It is an arithmetic number, because the mean of its divisors is an integer number (1536906).

Almost surely, 230843084 is an apocalyptic number.

It is an amenable number.

30843084 is an abundant number, since it is smaller than the sum of its proper divisors (42928404).

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

30843084 is a wasteful number, since it uses less digits than its factorization.

30843084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 30843084 is about 5553.6550126921. The cubic root of 30843084 is about 313.6071330418.

Adding to 30843084 its reverse (48034803), we get a palindrome (78877887).

The spelling of 30843084 in words is "thirty million, eight hundred forty-three thousand, eighty-four".

Divisors: 1 2 3 4 6 12 73 137 146 219 257 274 292 411 438 514 548 771 822 876 1028 1542 1644 3084 10001 18761 20002 30003 35209 37522 40004 56283 60006 70418 75044 105627 112566 120012 140836 211254 225132 422508 2570257 5140514 7710771 10281028 15421542 30843084