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2027489 = 3721481
BaseRepresentation
bin111101110111111100001
310211000012012
413232333201
51004334424
6111242305
723143022
oct7567741
93730165
102027489
111165312
12819395
1355cac9
143aac49
152a0b0e
hex1eefe1

2027489 has 6 divisors (see below), whose sum is σ = 2085174. Its totient is φ = 1971360.

The previous prime is 2027461. The next prime is 2027497. The reversal of 2027489 is 9847202.

It can be written as a sum of positive squares in 3 ways, for example, as 1067089 + 960400 = 1033^2 + 980^2 .

It is not a de Polignac number, because 2027489 - 212 = 2023393 is a prime.

It is a super-2 number, since 2×20274892 = 8221423290242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2027449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629 + ... + 2109.

It is an arithmetic number, because the mean of its divisors is an integer number (347529).

22027489 is an apocalyptic number.

It is an amenable number.

2027489 is a deficient number, since it is larger than the sum of its proper divisors (57685).

2027489 is an equidigital number, since it uses as much as digits as its factorization.

2027489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555 (or 1518 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2027489 is about 1423.8992239621. The cubic root of 2027489 is about 126.5667132368.

The spelling of 2027489 in words is "two million, twenty-seven thousand, four hundred eighty-nine".

Divisors: 1 37 1369 1481 54797 2027489