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988830 = 232510987
BaseRepresentation
bin11110001011010011110
31212020102100
43301122132
5223120310
633105530
711255613
oct3613236
91766370
10988830
11615a17
123b82a6
1328810b
141ba50a
15147ec0
hexf169e

988830 has 24 divisors (see below), whose sum is σ = 2571192. Its totient is φ = 263664.

The previous prime is 988829. The next prime is 988837. The reversal of 988830 is 38889.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988830.

It is not an unprimeable number, because it can be changed into a prime (988837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5404 + ... + 5583.

It is an arithmetic number, because the mean of its divisors is an integer number (107133).

2988830 is an apocalyptic number.

988830 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

988830 is an abundant number, since it is smaller than the sum of its proper divisors (1582362).

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

988830 is a wasteful number, since it uses less digits than its factorization.

988830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000 (or 10997 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 988830 is about 994.3993161703. The cubic root of 988830 is about 99.6262716781.

The spelling of 988830 in words is "nine hundred eighty-eight thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 10987 21974 32961 54935 65922 98883 109870 164805 197766 329610 494415 988830