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52385500 = 2253176163
BaseRepresentation
bin1100011111010…
…1011011011100
310122120110101201
43013311123130
5101402314000
65110445244
71204161256
oct307653334
9118513351
1052385500
1127630002
1215663824
13ab1214b
146d58cd6
1548eb96a
hex31f56dc

52385500 has 48 divisors (see below), whose sum is σ = 121159584. Its totient is φ = 19718400.

The previous prime is 52385497. The next prime is 52385503. The reversal of 52385500 is 558325.

It is an interprime number because it is at equal distance from previous prime (52385497) and next prime (52385503).

It is a super-2 number, since 2×523855002 = 5488481220500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52385503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5419 + ... + 11581.

It is an arithmetic number, because the mean of its divisors is an integer number (2524158).

Almost surely, 252385500 is an apocalyptic number.

52385500 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 52385500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60579792).

52385500 is an abundant number, since it is smaller than the sum of its proper divisors (68774084).

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

52385500 is a wasteful number, since it uses less digits than its factorization.

52385500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6199 (or 6187 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 52385500 is about 7237.7828096731. The cubic root of 52385500 is about 374.1712066574.

The spelling of 52385500 in words is "fifty-two million, three hundred eighty-five thousand, five hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 125 170 250 340 425 500 850 1700 2125 4250 6163 8500 12326 24652 30815 61630 104771 123260 154075 209542 308150 419084 523855 616300 770375 1047710 1540750 2095420 2619275 3081500 5238550 10477100 13096375 26192750 52385500