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538469 = 4631163
BaseRepresentation
bin10000011011101100101
31000100122022
42003131211
5114212334
615312525
74401611
oct2033545
91010568
10538469
11338618
1221b745
1315b129
14100341
15a982e
hex83765

538469 has 4 divisors (see below), whose sum is σ = 540096. Its totient is φ = 536844.

The previous prime is 538457. The next prime is 538471. The reversal of 538469 is 964835.

538469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-538469 is a prime.

It is a super-2 number, since 2×5384692 = 579897727922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538469.

It is not an unprimeable number, because it can be changed into a prime (528469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (135024).

2538469 is an apocalyptic number.

It is an amenable number.

538469 is a deficient number, since it is larger than the sum of its proper divisors (1627).

538469 is a wasteful number, since it uses less digits than its factorization.

538469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

The product of its digits is 25920, while the sum is 35.

The square root of 538469 is about 733.8044698692. The cubic root of 538469 is about 81.3554968862.

The spelling of 538469 in words is "five hundred thirty-eight thousand, four hundred sixty-nine".

Divisors: 1 463 1163 538469