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2163190 = 25216319
BaseRepresentation
bin1000010000000111110110
311001220100011
420100013312
51023210230
6114210434
724246451
oct10200766
94056304
102163190
111248267
12883a1a
135a97c3
14404498
152cae2a
hex2101f6

2163190 has 8 divisors (see below), whose sum is σ = 3893760. Its totient is φ = 865272.

The previous prime is 2163181. The next prime is 2163193. The reversal of 2163190 is 913612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21631902 = 9358781952200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108150 + ... + 108169.

It is an arithmetic number, because the mean of its divisors is an integer number (486720).

22163190 is an apocalyptic number.

2163190 is a deficient number, since it is larger than the sum of its proper divisors (1730570).

2163190 is a wasteful number, since it uses less digits than its factorization.

2163190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216326.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2163190 is about 1470.7787053123. The cubic root of 2163190 is about 129.3296857180.

The spelling of 2163190 in words is "two million, one hundred sixty-three thousand, one hundred ninety".

Divisors: 1 2 5 10 216319 432638 1081595 2163190