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538785000 = 23335413307
BaseRepresentation
bin100000000111010…
…011010011101000
31101112211010002000
4200013103103220
52100412110000
6125244011000
716231411515
oct4007232350
91345733060
10538785000
11257148166
12130530a60
13878148c0
14517b030c
153247a000
hex201d34e8

538785000 has 320 divisors, whose sum is σ = 2020603200. Its totient is φ = 132192000.

The previous prime is 538784999. The next prime is 538785007. The reversal of 538785000 is 587835.

It is a happy number.

538785000 is a `hidden beast` number, since 538 + 78 + 50 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (538785007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1754847 + ... + 1755153.

It is an arithmetic number, because the mean of its divisors is an integer number (6314385).

Almost surely, 2538785000 is an apocalyptic number.

538785000 is a gapful number since it is divisible by the number (50) 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 538785000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1010301600).

538785000 is an abundant number, since it is smaller than the sum of its proper divisors (1481818200).

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

538785000 is a wasteful number, since it uses less digits than its factorization.

538785000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 538785000 is about 23211.7427178573. The cubic root of 538785000 is about 813.7140823833.

The spelling of 538785000 in words is "five hundred thirty-eight million, seven hundred eighty-five thousand".