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3980489 = 31112799
BaseRepresentation
bin1111001011110011001001
321111020012112
433023303021
52004333424
6221152105
745555632
oct17136311
97436175
103980489
112279667
1213bb635
13a94a26
14758889
1553960e
hex3cbcc9

3980489 has 4 divisors (see below), whose sum is σ = 3993600. Its totient is φ = 3967380.

The previous prime is 3980479. The next prime is 3980491. The reversal of 3980489 is 9840893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3980489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3980419) 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 3 ways as a sum of consecutive naturals, for example, 6089 + ... + 6710.

It is an arithmetic number, because the mean of its divisors is an integer number (998400).

Almost surely, 23980489 is an apocalyptic number.

It is an amenable number.

3980489 is a deficient number, since it is larger than the sum of its proper divisors (13111).

3980489 is a wasteful number, since it uses less digits than its factorization.

3980489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 3980489 is about 1995.1162873377. The cubic root of 3980489 is about 158.4815862271.

It can be divided in two parts, 39804 and 89, that added together give a palindrome (39893).

The spelling of 3980489 in words is "three million, nine hundred eighty thousand, four hundred eighty-nine".

Divisors: 1 311 12799 3980489