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2030987 = 7290141
BaseRepresentation
bin111101111110110001011
310211011222202
413233312023
51004442422
6111310415
723156150
oct7576613
93734882
102030987
111167a02
1281b40b
1356158a
143ac227
152a1b92
hex1efd8b

2030987 has 4 divisors (see below), whose sum is σ = 2321136. Its totient is φ = 1740840.

The previous prime is 2030981. The next prime is 2030999. The reversal of 2030987 is 7890302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2030987 - 28 = 2030731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2030981) 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, 145064 + ... + 145077.

It is an arithmetic number, because the mean of its divisors is an integer number (580284).

22030987 is an apocalyptic number.

2030987 is a deficient number, since it is larger than the sum of its proper divisors (290149).

2030987 is an equidigital number, since it uses as much as digits as its factorization.

2030987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290148.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2030987 is about 1425.1270118835. The cubic root of 2030987 is about 126.6394593765.

The spelling of 2030987 in words is "two million, thirty thousand, nine hundred eighty-seven".

Divisors: 1 7 290141 2030987