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538831073 = 1148984643
BaseRepresentation
bin100000000111011…
…110100011100001
31101112220110021102
4200013132203201
52100420043243
6125245004145
716231663034
oct4007364341
91345813242
10538831073
11257179840
12130553655
138782c871
14517c301b
15324889b8
hex201de8e1

538831073 has 4 divisors (see below), whose sum is σ = 587815728. Its totient is φ = 489846420.

The previous prime is 538831063. The next prime is 538831087. The reversal of 538831073 is 370138835.

It is a happy number.

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 not a de Polignac number, because 538831073 - 222 = 534636769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538831003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24492311 + ... + 24492332.

It is an arithmetic number, because the mean of its divisors is an integer number (146953932).

Almost surely, 2538831073 is an apocalyptic number.

It is an amenable number.

538831073 is a deficient number, since it is larger than the sum of its proper divisors (48984655).

538831073 is a wasteful number, since it uses less digits than its factorization.

538831073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48984654.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 538831073 is about 23212.7351468973. The cubic root of 538831073 is about 813.7372760384.

The spelling of 538831073 in words is "five hundred thirty-eight million, eight hundred thirty-one thousand, seventy-three".

Divisors: 1 11 48984643 538831073