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2140675 = 5285627
BaseRepresentation
bin1000001010101000000011
311000202110021
420022220003
51022000200
6113514311
724124015
oct10125003
94022407
102140675
111232359
12872997
1359c494
143da1b5
152c441a
hex20aa03

2140675 has 6 divisors (see below), whose sum is σ = 2654468. Its totient is φ = 1712520.

The previous prime is 2140637. The next prime is 2140681. The reversal of 2140675 is 5760412.

It is not a de Polignac number, because 2140675 - 29 = 2140163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 85627 = 2140675 / (2 + 1 + 4 + 0 + 6 + 7 + 5).

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 42789 + ... + 42838.

22140675 is an apocalyptic number.

2140675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2140675 is a deficient number, since it is larger than the sum of its proper divisors (513793).

2140675 is an equidigital number, since it uses as much as digits as its factorization.

2140675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85637 (or 85632 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2140675 is about 1463.1045758933. The cubic root of 2140675 is about 128.8794218120.

The spelling of 2140675 in words is "two million, one hundred forty thousand, six hundred seventy-five".

Divisors: 1 5 25 85627 428135 2140675