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513210023 = 3114993307
BaseRepresentation
bin11110100101101…
…111011010100111
31022202200202210122
4132211233122213
52022340210043
6122531512155
715501133064
oct3645573247
91282622718
10513210023
1124376a317
12123a5865b
138242ba91
144c233c6b
15300c7368
hex1e96f6a7

513210023 has 8 divisors (see below), whose sum is σ = 516048000. Its totient is φ = 510380280.

The previous prime is 513210011. The next prime is 513210037. The reversal of 513210023 is 320012315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513210023 - 216 = 513144487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513209983 and 513210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513210073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153536 + ... + 156842.

It is an arithmetic number, because the mean of its divisors is an integer number (64506000).

Almost surely, 2513210023 is an apocalyptic number.

513210023 is a deficient number, since it is larger than the sum of its proper divisors (2837977).

513210023 is a wasteful number, since it uses less digits than its factorization.

513210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 513210023 is about 22654.1392023621. The cubic root of 513210023 is about 800.6297244913.

Adding to 513210023 its reverse (320012315), we get a palindrome (833222338).

The spelling of 513210023 in words is "five hundred thirteen million, two hundred ten thousand, twenty-three".

Divisors: 1 311 499 3307 155189 1028477 1650193 513210023