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2489908 = 22622477
BaseRepresentation
bin1001011111111000110100
311200111111211
421133320310
51114134113
6125211204
730110131
oct11377064
94614454
102489908
111450783
12a00b04
13692425
1448b588
15342b3d
hex25fe34

2489908 has 6 divisors (see below), whose sum is σ = 4357346. Its totient is φ = 1244952.

The previous prime is 2489891. The next prime is 2489909. The reversal of 2489908 is 8099842.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2347024 + 142884 = 1532^2 + 378^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489909) 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 as a sum of consecutive naturals, namely, 311235 + ... + 311242.

22489908 is an apocalyptic number.

It is an amenable number.

2489908 is a deficient number, since it is larger than the sum of its proper divisors (1867438).

2489908 is a wasteful number, since it uses less digits than its factorization.

2489908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622481 (or 622479 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2489908 is about 1577.9442322212. The cubic root of 2489908 is about 135.5380085183.

The spelling of 2489908 in words is "two million, four hundred eighty-nine thousand, nine hundred eight".

Divisors: 1 2 4 622477 1244954 2489908