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2140158 = 23356693
BaseRepresentation
bin1000001010011111111110
311000201202010
420022133332
51021441113
6113512050
724122346
oct10123776
94021663
102140158
111231a29
12872626
1359c187
143d9d26
152c41c3
hex20a7fe

2140158 has 8 divisors (see below), whose sum is σ = 4280328. Its totient is φ = 713384.

The previous prime is 2140157. The next prime is 2140163. The reversal of 2140158 is 8510412.

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

2140158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178341 + ... + 178352.

It is an arithmetic number, because the mean of its divisors is an integer number (535041).

22140158 is an apocalyptic number.

2140158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2140158 is a wasteful number, since it uses less digits than its factorization.

2140158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356698.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2140158 is about 1462.9278861243. The cubic root of 2140158 is about 128.8690456416.

The spelling of 2140158 in words is "two million, one hundred forty thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 356693 713386 1070079 2140158