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520331834 = 211191244813
BaseRepresentation
bin11111000000111…
…010001000111010
31100021002121002102
4133000322020322
52031201104314
6123344303402
715615514301
oct3700721072
91307077072
10520331834
11247794010
12126311b62
1383a53579
144d169438
1530a325de
hex1f03a23a

520331834 has 16 divisors (see below), whose sum is σ = 896266080. Its totient is φ = 224066160.

The previous prime is 520331813. The next prime is 520331837. The reversal of 520331834 is 438133025.

It is a junction number, because it is equal to n+sod(n) for n = 520331797 and 520331806.

It is not an unprimeable number, because it can be changed into a prime (520331837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621989 + ... + 622824.

It is an arithmetic number, because the mean of its divisors is an integer number (56016630).

Almost surely, 2520331834 is an apocalyptic number.

520331834 is a deficient number, since it is larger than the sum of its proper divisors (375934246).

520331834 is a wasteful number, since it uses less digits than its factorization.

520331834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244845.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 520331834 is about 22810.7832833509. The cubic root of 520331834 is about 804.3161683596.

Adding to 520331834 its reverse (438133025), we get a palindrome (958464859).

The spelling of 520331834 in words is "five hundred twenty million, three hundred thirty-one thousand, eight hundred thirty-four".

Divisors: 1 2 11 19 22 38 209 418 1244813 2489626 13692943 23651447 27385886 47302894 260165917 520331834