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539168400 = 243652432
BaseRepresentation
bin100000001000110…
…000111010010000
31101120112121000000
4200020300322100
52101011342100
6125300130000
716234566351
oct4010607220
91346477000
10539168400
1125738a221
12130696900
138791a274
145186dd28
1532503900
hex20230e90

539168400 has 315 divisors, whose sum is σ = 1988356089. Its totient is φ = 140434560.

The previous prime is 539168353. The next prime is 539168407. The reversal of 539168400 is 4861935.

539168400 = 13 + 23 + ... + 2153.

The square root of 539168400 is 23220.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 194100624 + 345067776 = 13932^2 + 18576^2 .

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 (539168407) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 12538779 + ... + 12538821.

Almost surely, 2539168400 is an apocalyptic number.

539168400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

539168400 is the 23220-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539168400

539168400 is an abundant number, since it is smaller than the sum of its proper divisors (1449187689).

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

539168400 is an equidigital number, since it uses as much as digits as its factorization.

539168400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The cubic root of 539168400 is about 813.9070498980.

Multiplying 539168400 by its sum of digits (36), we get a square (19410062400 = 1393202).

539168400 divided by its sum of digits (36) gives a square (14976900 = 38702).

The spelling of 539168400 in words is "five hundred thirty-nine million, one hundred sixty-eight thousand, four hundred".