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538741 = 776963
BaseRepresentation
bin10000011100001110101
31000101000101
42003201311
5114214431
615314101
74402450
oct2034165
91011011
10538741
11338845
1221b931
1315b2a8
14100497
15a9961
hex83875

538741 has 4 divisors (see below), whose sum is σ = 615712. Its totient is φ = 461772.

The previous prime is 538739. The next prime is 538751. The reversal of 538741 is 147835.

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, and also an emirpimes, since its reverse is a distinct semiprime: 147835 = 529567.

It is a cyclic number.

It is not a de Polignac number, because 538741 - 21 = 538739 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538711) 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, 38475 + ... + 38488.

It is an arithmetic number, because the mean of its divisors is an integer number (153928).

2538741 is an apocalyptic number.

It is an amenable number.

538741 is a deficient number, since it is larger than the sum of its proper divisors (76971).

538741 is an equidigital number, since it uses as much as digits as its factorization.

538741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76970.

The product of its digits is 3360, while the sum is 28.

The square root of 538741 is about 733.9897819452. The cubic root of 538741 is about 81.3691931065.

The spelling of 538741 in words is "five hundred thirty-eight thousand, seven hundred forty-one".

Divisors: 1 7 76963 538741