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988750620 = 223251113107359
BaseRepresentation
bin111010111011110…
…010001100011100
32112220111201212100
4322323302030130
54011110004440
6242040205100
733334145604
oct7273621434
92486451770
10988750620
1146813aa80
12237169790
13129acba50
149545dc04
155bc0d230
hex3aef231c

988750620 has 288 divisors, whose sum is σ = 3566384640. Its totient is φ = 218580480.

The previous prime is 988750619. The next prime is 988750639. The reversal of 988750620 is 26057889.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2754001 + ... + 2754359.

It is an arithmetic number, because the mean of its divisors is an integer number (12383280).

Almost surely, 2988750620 is an apocalyptic number.

988750620 is a gapful number since it is divisible by the number (90) 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 988750620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783192320).

988750620 is an abundant number, since it is smaller than the sum of its proper divisors (2577634020).

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

988750620 is a wasteful number, since it uses less digits than its factorization.

988750620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 988750620 is about 31444.4052257313. The cubic root of 988750620 is about 996.2360571760.

The spelling of 988750620 in words is "nine hundred eighty-eight million, seven hundred fifty thousand, six hundred twenty".