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5400305 = 51763533
BaseRepresentation
bin10100100110011011110001
3101011100211022
4110212123301
52340302210
6311425225
763621221
oct24463361
911140738
105400305
113059369
121985215
131171061
14a08081
1571a155
hex5266f1

5400305 has 8 divisors (see below), whose sum is σ = 6861672. Its totient is φ = 4066048.

The previous prime is 5400301. The next prime is 5400319. The reversal of 5400305 is 5030045.

It can be written as a sum of positive squares in 4 ways, for example, as 1364224 + 4036081 = 1168^2 + 2009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5400305 - 22 = 5400301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5400301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31682 + ... + 31851.

It is an arithmetic number, because the mean of its divisors is an integer number (857709).

Almost surely, 25400305 is an apocalyptic number.

It is an amenable number.

5400305 is a deficient number, since it is larger than the sum of its proper divisors (1461367).

5400305 is a wasteful number, since it uses less digits than its factorization.

5400305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63555.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 5400305 is about 2323.8556323490. The cubic root of 5400305 is about 175.4443672877. Note that the first 3 decimals are identical.

The spelling of 5400305 in words is "five million, four hundred thousand, three hundred five".

Divisors: 1 5 17 85 63533 317665 1080061 5400305