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2140570 = 25832579
BaseRepresentation
bin1000001010100110011010
311000202022101
420022212122
51021444240
6113514014
724123505
oct10124632
94022271
102140570
111232273
1287290a
1359c413
143da13c
152c439a
hex20a99a

2140570 has 16 divisors (see below), whose sum is σ = 3900960. Its totient is φ = 845584.

The previous prime is 2140549. The next prime is 2140573. The reversal of 2140570 is 750412.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2140573) 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, 460 + ... + 2119.

It is an arithmetic number, because the mean of its divisors is an integer number (243810).

22140570 is an apocalyptic number.

2140570 is a deficient number, since it is larger than the sum of its proper divisors (1760390).

2140570 is a wasteful number, since it uses less digits than its factorization.

2140570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2140570 is about 1463.0686928507. The cubic root of 2140570 is about 128.8773146012.

Adding to 2140570 its reverse (750412), we get a palindrome (2890982).

The spelling of 2140570 in words is "two million, one hundred forty thousand, five hundred seventy".

Divisors: 1 2 5 10 83 166 415 830 2579 5158 12895 25790 214057 428114 1070285 2140570