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2190292 = 221373577
BaseRepresentation
bin1000010110101111010100
311010021111221
420112233110
51030042132
6114540124
724421456
oct10265724
94107457
102190292
111266665
12897644
135b8c40
144102d6
152d3e97
hex216bd4

2190292 has 24 divisors (see below), whose sum is σ = 4191656. Its totient is φ = 995328.

The previous prime is 2190277. The next prime is 2190299. The reversal of 2190292 is 2920912.

2190292 is digitally balanced in base 2, 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 4 ways, for example, as 662596 + 1527696 = 814^2 + 1236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3508 + ... + 4084.

22190292 is an apocalyptic number.

It is an amenable number.

2190292 is a deficient number, since it is larger than the sum of its proper divisors (2001364).

2190292 is a wasteful number, since it uses less digits than its factorization.

2190292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2190292 is about 1479.9635130638. The cubic root of 2190292 is about 129.8675574225.

The spelling of 2190292 in words is "two million, one hundred ninety thousand, two hundred ninety-two".

Divisors: 1 2 4 13 26 52 73 146 292 577 949 1154 1898 2308 3796 7501 15002 30004 42121 84242 168484 547573 1095146 2190292