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30985282 = 229534229
BaseRepresentation
bin111011000110…
…0110001000010
32011022012211001
41312030301002
530413012112
63024042214
7524241046
oct166146102
964265731
1030985282
1116543779
12a46336a
13655b5b3
144188026
152ac0c57
hex1d8cc42

30985282 has 8 divisors (see below), whose sum is σ = 48080700. Its totient is φ = 14958384.

The previous prime is 30985277. The next prime is 30985313. The reversal of 30985282 is 28258903.

It can be written as a sum of positive squares in 2 ways, for example, as 27447121 + 3538161 = 5239^2 + 1881^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 267057 + ... + 267172.

Almost surely, 230985282 is an apocalyptic number.

30985282 is a deficient number, since it is larger than the sum of its proper divisors (17095418).

30985282 is a wasteful number, since it uses less digits than its factorization.

30985282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534260.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 30985282 is about 5566.4424904961. The cubic root of 30985282 is about 314.0883424871.

The spelling of 30985282 in words is "thirty million, nine hundred eighty-five thousand, two hundred eighty-two".

Divisors: 1 2 29 58 534229 1068458 15492641 30985282