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2119972 = 221493557
BaseRepresentation
bin1000000101100100100100
310222201001111
420011210210
51020314342
6113234404
724006451
oct10054444
93881044
102119972
111218848
12862a04
13592c2a
143d2828
152bd217
hex205924

2119972 has 12 divisors (see below), whose sum is σ = 3735900. Its totient is φ = 1052576.

The previous prime is 2119969. The next prime is 2120009. The reversal of 2119972 is 2799112.

2119972 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 254016 + 1865956 = 504^2 + 1366^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183 + ... + 2374.

It is an arithmetic number, because the mean of its divisors is an integer number (311325).

22119972 is an apocalyptic number.

It is an amenable number.

2119972 is a deficient number, since it is larger than the sum of its proper divisors (1615928).

2119972 is a wasteful number, since it uses less digits than its factorization.

2119972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710 (or 3708 counting only the distinct ones).

The product of its digits is 2268, while the sum is 31.

The square root of 2119972 is about 1456.0123625849. The cubic root of 2119972 is about 128.4626002077.

The spelling of 2119972 in words is "two million, one hundred nineteen thousand, nine hundred seventy-two".

Divisors: 1 2 4 149 298 596 3557 7114 14228 529993 1059986 2119972