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2389320 = 233256637
BaseRepresentation
bin1001000111010101001000
311111101112100
421013111020
51102424240
6123113400
726210643
oct11072510
94441470
102389320
11139214a
12972860
136586cb
14462a5a
15322e30
hex247548

2389320 has 48 divisors (see below), whose sum is σ = 7766460. Its totient is φ = 637056.

The previous prime is 2389319. The next prime is 2389351. The reversal of 2389320 is 239832.

It can be written as a sum of positive squares in 2 ways, for example, as 2022084 + 367236 = 1422^2 + 606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2959 + ... + 3678.

22389320 is an apocalyptic number.

2389320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2389320 is an abundant number, since it is smaller than the sum of its proper divisors (5377140).

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

2389320 is a wasteful number, since it uses less digits than its factorization.

2389320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6654 (or 6647 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2389320 is about 1545.7425400111. The cubic root of 2389320 is about 133.6876962564.

The spelling of 2389320 in words is "two million, three hundred eighty-nine thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 6637 13274 19911 26548 33185 39822 53096 59733 66370 79644 99555 119466 132740 159288 199110 238932 265480 298665 398220 477864 597330 796440 1194660 2389320