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30085562 = 21331163229
BaseRepresentation
bin111001011000…
…1000110111010
32002121111122002
41302301012322
530200214222
62552501002
7513503003
oct162610672
962544562
1030085562
1115a89801
12a0aa762
136304c10
143dd21aa
152994392
hex1cb11ba

30085562 has 32 divisors (see below), whose sum is σ = 50695680. Its totient is φ = 13296960.

The previous prime is 30085553. The next prime is 30085567. The reversal of 30085562 is 26558003.

It is not an unprimeable number, because it can be changed into a prime (30085567) by changing a digit.

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, 131264 + ... + 131492.

It is an arithmetic number, because the mean of its divisors is an integer number (1584240).

Almost surely, 230085562 is an apocalyptic number.

30085562 is a deficient number, since it is larger than the sum of its proper divisors (20610118).

30085562 is a wasteful number, since it uses less digits than its factorization.

30085562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 30085562 is about 5485.0307200598. The cubic root of 30085562 is about 311.0183713468.

The spelling of 30085562 in words is "thirty million, eighty-five thousand, five hundred sixty-two".

Divisors: 1 2 13 26 31 62 163 229 326 403 458 806 2119 2977 4238 5053 5954 7099 10106 14198 37327 65689 74654 92287 131378 184574 485251 970502 1157137 2314274 15042781 30085562