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538479 = 32194767
BaseRepresentation
bin10000011011101101111
31000100122200
42003131233
5114212404
615312543
74401624
oct2033557
91010580
10538479
11338627
1221b753
1315b136
1410034b
15a9839
hex8376f

538479 has 24 divisors (see below), whose sum is σ = 848640. Its totient is φ = 327888.

The previous prime is 538471. The next prime is 538481. The reversal of 538479 is 974835.

It is not a de Polignac number, because 538479 - 23 = 538471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8004 + ... + 8070.

It is an arithmetic number, because the mean of its divisors is an integer number (35360).

2538479 is an apocalyptic number.

538479 is a deficient number, since it is larger than the sum of its proper divisors (310161).

538479 is a wasteful number, since it uses less digits than its factorization.

538479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 136 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 538479 is about 733.8112836418. The cubic root of 538479 is about 81.3560005053.

The spelling of 538479 in words is "five hundred thirty-eight thousand, four hundred seventy-nine".

Divisors: 1 3 9 19 47 57 67 141 171 201 423 603 893 1273 2679 3149 3819 8037 9447 11457 28341 59831 179493 538479