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2489280 = 26352593
BaseRepresentation
bin1001011111101111000000
311200110122120
421133233000
51114124110
6125204240
730105243
oct11375700
94613576
102489280
111450262
12a00680
13692061
1448b25a
15342870
hex25fbc0

2489280 has 56 divisors (see below), whose sum is σ = 7906512. Its totient is φ = 663552.

The previous prime is 2489239. The next prime is 2489287. The reversal of 2489280 is 829842.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337 + ... + 2256.

22489280 is an apocalyptic number.

2489280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2489280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3953256).

2489280 is an abundant number, since it is smaller than the sum of its proper divisors (5417232).

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

2489280 is a wasteful number, since it uses less digits than its factorization.

2489280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2489280 is about 1577.7452265813. The cubic root of 2489280 is about 135.5266125114.

The spelling of 2489280 in words is "two million, four hundred eighty-nine thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 2593 5186 7779 10372 12965 15558 20744 25930 31116 38895 41488 51860 62232 77790 82976 103720 124464 155580 165952 207440 248928 311160 414880 497856 622320 829760 1244640 2489280