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2000642 = 27142903
BaseRepresentation
bin111101000011100000010
310202122100212
413220130002
51003010032
6110514122
723001530
oct7503402
93678325
102000642
111147126
12805942
13550817
143a1150
15297bb2
hex1e8702

2000642 has 8 divisors (see below), whose sum is σ = 3429696. Its totient is φ = 857412.

The previous prime is 2000639. The next prime is 2000653. The reversal of 2000642 is 2460002.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 142903 = 2000642 / (2 + 0 + 0 + 0 + 6 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71438 + ... + 71465.

It is an arithmetic number, because the mean of its divisors is an integer number (428712).

22000642 is an apocalyptic number.

2000642 is a deficient number, since it is larger than the sum of its proper divisors (1429054).

2000642 is a wasteful number, since it uses less digits than its factorization.

2000642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142912.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2000642 is about 1414.4405254375. The cubic root of 2000642 is about 126.0055847025.

Adding to 2000642 its reverse (2460002), we get a palindrome (4460644).

The spelling of 2000642 in words is "two million, six hundred forty-two", and thus it is an aban number.

Divisors: 1 2 7 14 142903 285806 1000321 2000642