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520302001 = 6113165111
BaseRepresentation
bin11111000000110…
…010110110110001
31100021001002011111
4133000302312301
52031144131001
6123343513321
715615331312
oct3700626661
91307032144
10520302001
1124777365a
121262b8841
1383a42b0b
144d15c609
1530a28851
hex1f032db1

520302001 has 8 divisors (see below), whose sum is σ = 532876608. Its totient is φ = 507858000.

The previous prime is 520301993. The next prime is 520302011. The reversal of 520302001 is 100203025.

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 520302001 - 23 = 520301993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520302011) 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, 24565 + ... + 40546.

It is an arithmetic number, because the mean of its divisors is an integer number (66609576).

Almost surely, 2520302001 is an apocalyptic number.

It is an amenable number.

520302001 is a deficient number, since it is larger than the sum of its proper divisors (12574607).

520302001 is a wasteful number, since it uses less digits than its factorization.

520302001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65303.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 520302001 is about 22810.1293507950. The cubic root of 520302001 is about 804.3007963596.

Adding to 520302001 its reverse (100203025), we get a palindrome (620505026).

The spelling of 520302001 in words is "five hundred twenty million, three hundred two thousand, one".

Divisors: 1 61 131 7991 65111 3971771 8529541 520302001