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989130208 = 25112810029
BaseRepresentation
bin111010111101001…
…110110111100000
32112221020000120011
4322331032313200
54011204131313
6242052254304
733340316353
oct7275166740
92487200504
10989130208
1146837a190
12237311394
13129c02761
149551c29a
155bc8593d
hex3af4ede0

989130208 has 24 divisors (see below), whose sum is σ = 2124382680. Its totient is φ = 449604480.

The previous prime is 989130199. The next prime is 989130209. The reversal of 989130208 is 802031989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989130209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404663 + ... + 1405366.

It is an arithmetic number, because the mean of its divisors is an integer number (88515945).

Almost surely, 2989130208 is an apocalyptic number.

It is an amenable number.

989130208 is an abundant number, since it is smaller than the sum of its proper divisors (1135252472).

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

989130208 is a wasteful number, since it uses less digits than its factorization.

989130208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810050 (or 2810042 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 989130208 is about 31450.4405056591. The cubic root of 989130208 is about 996.3635281016.

The spelling of 989130208 in words is "nine hundred eighty-nine million, one hundred thirty thousand, two hundred eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 2810029 5620058 11240116 22480232 30910319 44960464 61820638 89920928 123641276 247282552 494565104 989130208