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1100444140 = 225393113997
BaseRepresentation
bin100000110010111…
…0111000111101100
32211200200100120101
41001211313013230
54223203203030
6301110200444
736161422645
oct10145670754
92750610511
101100444140
11515198a74
12268653124
13146ca7ba3
14a62166cc
15669227ca
hex419771ec

1100444140 has 24 divisors (see below), whose sum is σ = 2311685712. Its totient is φ = 440034240.

The previous prime is 1100444117. The next prime is 1100444159. The reversal of 1100444140 is 414440011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71622 + ... + 85618.

It is an arithmetic number, because the mean of its divisors is an integer number (96320238).

Almost surely, 21100444140 is an apocalyptic number.

1100444140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100444140 is an abundant number, since it is smaller than the sum of its proper divisors (1211241572).

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

1100444140 is a wasteful number, since it uses less digits than its factorization.

1100444140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17937 (or 17935 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1100444140 is about 33172.9428902532. The cubic root of 1100444140 is about 1032.4190291530.

Adding to 1100444140 its reverse (414440011), we get a palindrome (1514884151).

The spelling of 1100444140 in words is "one billion, one hundred million, four hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 3931 7862 13997 15724 19655 27994 39310 55988 69985 78620 139970 279940 55022207 110044414 220088828 275111035 550222070 1100444140