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2071489 = 7541547
BaseRepresentation
bin111111001101111000001
310220020112211
413321233001
51012241424
6112222121
723415220
oct7715701
93806484
102071489
111195382
1283a941
13576b44
143bccb7
152adb94
hex1f9bc1

2071489 has 8 divisors (see below), whose sum is σ = 2376128. Its totient is φ = 1769040.

The previous prime is 2071481. The next prime is 2071493. The reversal of 2071489 is 9841702.

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

It is not a de Polignac number, because 2071489 - 23 = 2071481 is a prime.

It is a Duffinian number.

2071489 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2071489.

It is not an unprimeable number, because it can be changed into a prime (2071481) 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 7 ways as a sum of consecutive naturals, for example, 3514 + ... + 4060.

It is an arithmetic number, because the mean of its divisors is an integer number (297016).

22071489 is an apocalyptic number.

It is an amenable number.

2071489 is a deficient number, since it is larger than the sum of its proper divisors (304639).

2071489 is an equidigital number, since it uses as much as digits as its factorization.

2071489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2071489 is about 1439.2668272423. The cubic root of 2071489 is about 127.4757406107.

The spelling of 2071489 in words is "two million, seventy-one thousand, four hundred eighty-nine".

Divisors: 1 7 541 547 3787 3829 295927 2071489