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2489636 = 221673727
BaseRepresentation
bin1001011111110100100100
311200111010202
421133310210
51114132021
6125210032
730106262
oct11376444
94614122
102489636
111450556
12a00918
13692276
1448b432
15342a0b
hex25fd24

2489636 has 12 divisors (see below), whose sum is σ = 4384128. Its totient is φ = 1237032.

The previous prime is 2489611. The next prime is 2489639. The reversal of 2489636 is 6369842.

It is a d-powerful number, because it can be written as 25 + 48 + 87 + 92 + 66 + 35 + 67 .

It is a self number, because there is not a number n which added to its sum of digits gives 2489636.

It is not an unprimeable number, because it can be changed into a prime (2489639) 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, 1196 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (365344).

22489636 is an apocalyptic number.

It is an amenable number.

2489636 is a deficient number, since it is larger than the sum of its proper divisors (1894492).

2489636 is a wasteful number, since it uses less digits than its factorization.

2489636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898 (or 3896 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 2489636 is about 1577.8580417769. The cubic root of 2489636 is about 135.5330729035.

It can be divided in two parts, 2489 and 636, that added together give a 5-th power (3125 = 55).

The spelling of 2489636 in words is "two million, four hundred eighty-nine thousand, six hundred thirty-six".

Divisors: 1 2 4 167 334 668 3727 7454 14908 622409 1244818 2489636