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2989500 = 223531993
BaseRepresentation
bin1011011001110110111100
312121212211020
423121312330
51231131000
6144024140
734260513
oct13316674
95555736
102989500
111762068
121002050
13808947
1457b67a
153e0ba0
hex2d9dbc

2989500 has 48 divisors (see below), whose sum is σ = 8709792. Its totient is φ = 796800.

The previous prime is 2989487. The next prime is 2989513. The reversal of 2989500 is 59892.

It is an interprime number because it is at equal distance from previous prime (2989487) and next prime (2989513).

It is a super-2 number, since 2×29895002 = 17874220500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504 + ... + 2496.

It is an arithmetic number, because the mean of its divisors is an integer number (181454).

22989500 is an apocalyptic number.

2989500 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 2989500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354896).

2989500 is an abundant number, since it is smaller than the sum of its proper divisors (5720292).

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

2989500 is a wasteful number, since it uses less digits than its factorization.

2989500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015 (or 2003 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 2989500 is about 1729.0170618013. The cubic root of 2989500 is about 144.0564978921.

The spelling of 2989500 in words is "two million, nine hundred eighty-nine thousand, five hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 125 150 250 300 375 500 750 1500 1993 3986 5979 7972 9965 11958 19930 23916 29895 39860 49825 59790 99650 119580 149475 199300 249125 298950 498250 597900 747375 996500 1494750 2989500