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30984982 = 27171011289
BaseRepresentation
bin111011000110…
…0101100010110
32011022012101221
41312030230112
530413004412
63024040554
7524240140
oct166145426
964265357
1030984982
1116543526
12a46315a
13655b412
144187c90
152ac0b07
hex1d8cb16

30984982 has 32 divisors (see below), whose sum is σ = 56842560. Its totient is φ = 12364800.

The previous prime is 30984973. The next prime is 30985051. The reversal of 30984982 is 28948903.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23394 + ... + 24682.

It is an arithmetic number, because the mean of its divisors is an integer number (1776330).

Almost surely, 230984982 is an apocalyptic number.

30984982 is a deficient number, since it is larger than the sum of its proper divisors (25857578).

30984982 is a wasteful number, since it uses less digits than its factorization.

30984982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 30984982 is about 5566.4155432379. The cubic root of 30984982 is about 314.0873288143.

The spelling of 30984982 in words is "thirty million, nine hundred eighty-four thousand, nine hundred eighty-two".

Divisors: 1 2 7 14 17 34 101 119 202 238 707 1289 1414 1717 2578 3434 9023 12019 18046 21913 24038 43826 130189 153391 260378 306782 911323 1822646 2213213 4426426 15492491 30984982