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30085060 = 2257512003
BaseRepresentation
bin111001011000…
…0111111000100
32002121110221111
41302300333010
530200210220
62552454404
7513501355
oct162607704
962543844
1030085060
1115a89395
12a0aa404
136304915
143dd1d2c
15299415a
hex1cb0fc4

30085060 has 24 divisors (see below), whose sum is σ = 63294336. Its totient is φ = 12012000.

The previous prime is 30085051. The next prime is 30085129. The reversal of 30085060 is 6058003.

It is a super-2 number, since 2×300850602 = 1810221670407200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 14019 + ... + 16021.

It is an arithmetic number, because the mean of its divisors is an integer number (2637264).

Almost surely, 230085060 is an apocalyptic number.

It is an amenable number.

30085060 is an abundant number, since it is smaller than the sum of its proper divisors (33209276).

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

30085060 is a wasteful number, since it uses less digits than its factorization.

30085060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763 (or 2761 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 30085060 is about 5484.9849589584. The cubic root of 30085060 is about 311.0166414795.

The spelling of 30085060 in words is "thirty million, eighty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 751 1502 2003 3004 3755 4006 7510 8012 10015 15020 20030 40060 1504253 3008506 6017012 7521265 15042530 30085060