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2989525 = 527111553
BaseRepresentation
bin1011011001110111010101
312121212212011
423121313111
51231131100
6144024221
734260550
oct13316725
95555764
102989525
111762090
121002071
13808966
1457b697
153e0bba
hex2d9dd5

2989525 has 24 divisors (see below), whose sum is σ = 4624704. Its totient is φ = 1862400.

The previous prime is 2989513. The next prime is 2989531. The reversal of 2989525 is 5259892.

It is not a de Polignac number, because 2989525 - 211 = 2987477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1149 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (192696).

22989525 is an apocalyptic number.

2989525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2989525 is a deficient number, since it is larger than the sum of its proper divisors (1635179).

2989525 is a wasteful number, since it uses less digits than its factorization.

2989525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1576 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The square root of 2989525 is about 1729.0242913273. The cubic root of 2989525 is about 144.0568994534.

The spelling of 2989525 in words is "two million, nine hundred eighty-nine thousand, five hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1553 1925 7765 10871 17083 38825 54355 85415 119581 271775 427075 597905 2989525