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52182000 = 24325313223
BaseRepresentation
bin1100011100001…
…1101111110000
310122012010020200
43013003233300
5101324311000
65102235200
71202353053
oct307035760
9118163220
1052182000
1127501122
1215585b00
13aa70630
146d04a9a
1548ab500
hex31c3bf0

52182000 has 240 divisors, whose sum is σ = 197154048. Its totient is φ = 12787200.

The previous prime is 52181957. The next prime is 52182029. The reversal of 52182000 is 28125.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×521820002 = 5445922248000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 233889 + ... + 234111.

Almost surely, 252182000 is an apocalyptic number.

52182000 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 52182000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98577024).

52182000 is an abundant number, since it is smaller than the sum of its proper divisors (144972048).

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

52182000 is a wasteful number, since it uses less digits than its factorization.

52182000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 52182000 is about 7223.7109576727. The cubic root of 52182000 is about 373.6860682660.

The spelling of 52182000 in words is "fifty-two million, one hundred eighty-two thousand".