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30001100 = 2252436977
BaseRepresentation
bin111001001110…
…0011111001100
32002110012202212
41302130133030
530140013400
62551005552
7513001523
oct162343714
962405685
1030001100
1115a312a8
12a0698b8
1362a563c
143dad4ba
152979335
hex1c9c7cc

30001100 has 36 divisors (see below), whose sum is σ = 66625944. Its totient is φ = 11719680.

The previous prime is 30001093. The next prime is 30001123. The reversal of 30001100 is 110003.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 812 + ... + 7788.

Almost surely, 230001100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33312972).

30001100 is an abundant number, since it is smaller than the sum of its proper divisors (36624844).

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

30001100 is a wasteful number, since it uses less digits than its factorization.

30001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7034 (or 7027 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 5.

The square root of 30001100 is about 5477.3259899334. The cubic root of 30001100 is about 310.7270482776.

Adding to 30001100 its reverse (110003), we get a palindrome (30111103).

The spelling of 30001100 in words is "thirty million, one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 172 215 430 860 1075 2150 4300 6977 13954 27908 34885 69770 139540 174425 300011 348850 600022 697700 1200044 1500055 3000110 6000220 7500275 15000550 30001100