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2489684 = 2217194147
BaseRepresentation
bin1001011111110101010100
311200111012112
421133311110
51114132214
6125210152
730106361
oct11376524
94614175
102489684
11145059a
12a00958
136922b2
1448b468
15342a3e
hex25fd54

2489684 has 48 divisors (see below), whose sum is σ = 5080320. Its totient is φ = 1059840.

The previous prime is 2489671. The next prime is 2489687. The reversal of 2489684 is 4869842.

It is a Harshad number since it is a multiple of its sum of digits (41).

Its product of digits (110592) is a multiple of the sum of its prime factors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489687) 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 15 ways as a sum of consecutive naturals, for example, 52949 + ... + 52995.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

22489684 is an apocalyptic number.

It is an amenable number.

2489684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2489684 is a wasteful number, since it uses less digits than its factorization.

2489684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 126 counting only the distinct ones).

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

The square root of 2489684 is about 1577.8732521974. The cubic root of 2489684 is about 135.5339439204.

The spelling of 2489684 in words is "two million, four hundred eighty-nine thousand, six hundred eighty-four".

Divisors: 1 2 4 17 19 34 38 41 47 68 76 82 94 164 188 323 646 697 779 799 893 1292 1394 1558 1598 1786 1927 2788 3116 3196 3572 3854 7708 13243 15181 26486 30362 32759 36613 52972 60724 65518 73226 131036 146452 622421 1244842 2489684