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2192140 = 225432549
BaseRepresentation
bin1000010111001100001100
311010101001101
420113030030
51030122030
6114552444
724430036
oct10271414
94111041
102192140
111267a95
12898724
135b9a32
14410c56
152d47ca
hex21730c

2192140 has 24 divisors (see below), whose sum is σ = 4712400. Its totient is φ = 856128.

The previous prime is 2192131. The next prime is 2192143. The reversal of 2192140 is 412912.

It is not an unprimeable number, because it can be changed into a prime (2192143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415 + ... + 2134.

It is an arithmetic number, because the mean of its divisors is an integer number (196350).

22192140 is an apocalyptic number.

2192140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2192140 is an abundant number, since it is smaller than the sum of its proper divisors (2520260).

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

2192140 is a wasteful number, since it uses less digits than its factorization.

2192140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2192140 is about 1480.5877211432. The cubic root of 2192140 is about 129.9040712421.

It can be divided in two parts, 2192 and 140, that added together give a palindrome (2332).

The spelling of 2192140 in words is "two million, one hundred ninety-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 2549 5098 10196 12745 25490 50980 109607 219214 438428 548035 1096070 2192140