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538425 = 32522393
BaseRepresentation
bin10000011011100111001
31000100120200
42003130321
5114212200
615312413
74401516
oct2033471
91010520
10538425
11338588
1221b709
1315b0c4
1410030d
15a9800
hex83739

538425 has 18 divisors (see below), whose sum is σ = 964782. Its totient is φ = 287040.

The previous prime is 538423. The next prime is 538457. The reversal of 538425 is 524835.

538425 = 1282 + 1292 + ... + 1542.

538425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2601 + 535824 = 51^2 + 732^2 .

It is not a de Polignac number, because 538425 - 21 = 538423 is a prime.

It is a d-powerful number, because it can be written as 57 + 33 + 42 + 84 + 216 + 58 .

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538425.

It is not an unprimeable number, because it can be changed into a prime (538423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 972 + ... + 1421.

It is an arithmetic number, because the mean of its divisors is an integer number (53599).

2538425 is an apocalyptic number.

It is an amenable number.

538425 is a deficient number, since it is larger than the sum of its proper divisors (426357).

538425 is a wasteful number, since it uses less digits than its factorization.

538425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409 (or 2401 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 538425 is about 733.7744885181. The cubic root of 538425 is about 81.3532808877.

The spelling of 538425 in words is "five hundred thirty-eight thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 2393 7179 11965 21537 35895 59825 107685 179475 538425