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66852000 = 253353619
BaseRepresentation
bin1111111100000…
…1010010100000
311122210102201000
43333001102200
5114103231000
610344512000
71441142535
oct377012240
9148712630
1066852000
1134810996
121a47b600
1310b089c7
148c42d8c
155d08000
hex3fc14a0

66852000 has 192 divisors, whose sum is σ = 243734400. Its totient is φ = 17798400.

The previous prime is 66851987. The next prime is 66852029. The reversal of 66852000 is 25866.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107691 + ... + 108309.

It is an arithmetic number, because the mean of its divisors is an integer number (1269450).

Almost surely, 266852000 is an apocalyptic number.

66852000 is a gapful number since it is divisible by the number (60) 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 66852000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121867200).

66852000 is an abundant number, since it is smaller than the sum of its proper divisors (176882400).

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

66852000 is a wasteful number, since it uses less digits than its factorization.

66852000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 66852000 is about 8176.3072349319. The cubic root of 66852000 is about 405.8555303080.

Adding to 66852000 its reverse (25866), we get a palindrome (66877866).

The spelling of 66852000 in words is "sixty-six million, eight hundred fifty-two thousand".