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538379851 = 1731669403
BaseRepresentation
bin100000000101110…
…000011001001011
31101112001112022111
4200011300121023
52100311123401
6125231203151
716225103362
oct4005603113
91345045274
10538379851
112569a0829
121303764b7
1387702379
14517067d9
15323e9e51
hex2017064b

538379851 has 4 divisors (see below), whose sum is σ = 570049272. Its totient is φ = 506710432.

The previous prime is 538379843. The next prime is 538379857. The reversal of 538379851 is 158973835.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 538379851 - 23 = 538379843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538379795 and 538379804.

It is not an unprimeable number, because it can be changed into a prime (538379857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15834685 + ... + 15834718.

It is an arithmetic number, because the mean of its divisors is an integer number (142512318).

Almost surely, 2538379851 is an apocalyptic number.

538379851 is a deficient number, since it is larger than the sum of its proper divisors (31669421).

538379851 is a wasteful number, since it uses less digits than its factorization.

538379851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31669420.

The product of its digits is 907200, while the sum is 49.

The square root of 538379851 is about 23203.0138344138. The cubic root of 538379851 is about 813.5100689603.

The spelling of 538379851 in words is "five hundred thirty-eight million, three hundred seventy-nine thousand, eight hundred fifty-one".

Divisors: 1 17 31669403 538379851