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538749000 = 233253311931
BaseRepresentation
bin100000000111001…
…010100001001000
31101112202021200200
4200013022201020
52100404432000
6125243132200
716231201536
oct4007124110
91345667620
10538749000
11257123109
12130514060
13878013ba
14517a1156
153246e500
hex201ca848

538749000 has 192 divisors, whose sum is σ = 1880686080. Its totient is φ = 138960000.

The previous prime is 538748999. The next prime is 538749017. The reversal of 538749000 is 947835.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278035 + ... + 279965.

It is an arithmetic number, because the mean of its divisors is an integer number (9795240).

Almost surely, 2538749000 is an apocalyptic number.

538749000 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 538749000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940343040).

538749000 is an abundant number, since it is smaller than the sum of its proper divisors (1341937080).

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

538749000 is a wasteful number, since it uses less digits than its factorization.

538749000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989 (or 1972 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 538749000 is about 23210.9672353394. The cubic root of 538749000 is about 813.6959586671.

The spelling of 538749000 in words is "five hundred thirty-eight million, seven hundred forty-nine thousand".