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57263300 = 2252572633
BaseRepresentation
bin1101101001110…
…0010011000100
310222202021110222
43122130103010
5104124411200
65403203512
71263505253
oct332342304
9128667428
1057263300
112a361846
1217216598
13bb2c413
14786879a
155061d85
hex369c4c4

57263300 has 18 divisors (see below), whose sum is σ = 124261578. Its totient is φ = 22905280.

The previous prime is 57263279. The next prime is 57263303. The reversal of 57263300 is 336275.

It can be written as a sum of positive squares in 3 ways, for example, as 8375236 + 48888064 = 2894^2 + 6992^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57263300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57263303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 286217 + ... + 286416.

It is an arithmetic number, because the mean of its divisors is an integer number (6903421).

Almost surely, 257263300 is an apocalyptic number.

57263300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57263300 is an abundant number, since it is smaller than the sum of its proper divisors (66998278).

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

57263300 is a wasteful number, since it uses less digits than its factorization.

57263300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572647 (or 572640 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 57263300 is about 7567.2518129107. The cubic root of 57263300 is about 385.4417821796.

Adding to 57263300 its reverse (336275), we get a palindrome (57599575).

Subtracting from 57263300 its reverse (336275), we obtain a square (56927025 = 75452).

The spelling of 57263300 in words is "fifty-seven million, two hundred sixty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 572633 1145266 2290532 2863165 5726330 11452660 14315825 28631650 57263300