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540430 = 2511173
BaseRepresentation
bin10000011111100001110
31000110022221
42003330032
5114243210
615325554
74410412
oct2037416
91013287
10540430
1133a040
122208ba
1315bca7
14100d42
15aa1da
hex83f0e

540430 has 32 divisors (see below), whose sum is σ = 1127520. Its totient is φ = 184960.

The previous prime is 540391. The next prime is 540433. The reversal of 540430 is 34045.

540430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31782 + ... + 31798.

It is an arithmetic number, because the mean of its divisors is an integer number (35235).

2540430 is an apocalyptic number.

540430 is an abundant number, since it is smaller than the sum of its proper divisors (587090).

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

540430 is a wasteful number, since it uses less digits than its factorization.

540430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 540430 is about 735.1394425549. The cubic root of 540430 is about 81.4541375701.

Adding to 540430 its reverse (34045), we get a palindrome (574475).

The spelling of 540430 in words is "five hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 289 374 578 935 1445 1870 2890 3179 4913 6358 9826 15895 24565 31790 49130 54043 108086 270215 540430