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2489648 = 24722229
BaseRepresentation
bin1001011111110100110000
311200111011012
421133310300
51114132043
6125210052
730106310
oct11376460
94614135
102489648
111450567
12a00928
13692285
1448b440
15342a18
hex25fd30

2489648 has 20 divisors (see below), whose sum is σ = 5513040. Its totient is φ = 1066944.

The previous prime is 2489647. The next prime is 2489659. The reversal of 2489648 is 8469842.

It is not an unprimeable number, because it can be changed into a prime (2489647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11003 + ... + 11226.

It is an arithmetic number, because the mean of its divisors is an integer number (275652).

22489648 is an apocalyptic number.

2489648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2489648 is an abundant number, since it is smaller than the sum of its proper divisors (3023392).

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

2489648 is a wasteful number, since it uses less digits than its factorization.

2489648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22244 (or 22238 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 2489648 is about 1577.8618443958. The cubic root of 2489648 is about 135.5332906588.

The spelling of 2489648 in words is "two million, four hundred eighty-nine thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 22229 44458 88916 155603 177832 311206 355664 622412 1244824 2489648