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2489556 = 223207463
BaseRepresentation
bin1001011111110011010100
311200111000210
421133303110
51114131211
6125205420
730106116
oct11376324
94614023
102489556
111450493
12a00870
13692214
1448b3b6
153429a6
hex25fcd4

2489556 has 12 divisors (see below), whose sum is σ = 5808992. Its totient is φ = 829848.

The previous prime is 2489533. The next prime is 2489567. The reversal of 2489556 is 6559842.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 103720 + ... + 103743.

22489556 is an apocalyptic number.

It is an amenable number.

2489556 is an abundant number, since it is smaller than the sum of its proper divisors (3319436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2489556 is a wasteful number, since it uses less digits than its factorization.

2489556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207470 (or 207468 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 2489556 is about 1577.8326907502. The cubic root of 2489556 is about 135.5316211836.

The spelling of 2489556 in words is "two million, four hundred eighty-nine thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 12 207463 414926 622389 829852 1244778 2489556