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30100060 = 2251505003
BaseRepresentation
bin111001011010…
…0101001011100
32002122020112001
41302310221130
530201200220
62553052044
7513563164
oct162645134
962566461
1030100060
1115a99691
12a0b7024
13630b6b3
143dd75a4
15299880a
hex1cb4a5c

30100060 has 12 divisors (see below), whose sum is σ = 63210168. Its totient is φ = 12040016.

The previous prime is 30100051. The next prime is 30100079. The reversal of 30100060 is 6000103.

It is a super-2 number, since 2×301000602 = 1812027224007200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 3 ways as a sum of consecutive naturals, for example, 752482 + ... + 752521.

It is an arithmetic number, because the mean of its divisors is an integer number (5267514).

Almost surely, 230100060 is an apocalyptic number.

It is an amenable number.

30100060 is an abundant number, since it is smaller than the sum of its proper divisors (33110108).

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

30100060 is a wasteful number, since it uses less digits than its factorization.

30100060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505012 (or 1505010 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30100060 is about 5486.3521578550. The cubic root of 30100060 is about 311.0683224411.

Adding to 30100060 its reverse (6000103), we get a palindrome (36100163).

The spelling of 30100060 in words is "thirty million, one hundred thousand, sixty".

Divisors: 1 2 4 5 10 20 1505003 3010006 6020012 7525015 15050030 30100060