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538494 = 231141199
BaseRepresentation
bin10000011011101111110
31000100200020
42003131332
5114212434
615313010
74401645
oct2033576
91010606
10538494
11338640
1221b766
1315b148
1410035c
15a9849
hex8377e

538494 has 32 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 158400.

The previous prime is 538487. The next prime is 538511. The reversal of 538494 is 494835.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 538494.

It is an unprimeable number.

538494 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2607 + ... + 2805.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2538494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604800).

538494 is an abundant number, since it is smaller than the sum of its proper divisors (671106).

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

538494 is a wasteful number, since it uses less digits than its factorization.

538494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256.

The product of its digits is 17280, while the sum is 33.

The square root of 538494 is about 733.8215041820. The cubic root of 538494 is about 81.3567559224.

The spelling of 538494 in words is "five hundred thirty-eight thousand, four hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 41 66 82 123 199 246 398 451 597 902 1194 1353 2189 2706 4378 6567 8159 13134 16318 24477 48954 89749 179498 269247 538494