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500068021 = 4126994519
BaseRepresentation
bin11101110011100…
…110111010110101
31021211222002100211
4131303212322311
52011004134041
6121342105421
715251336155
oct3563467265
91254862324
10500068021
11237303562
1211b57b271
137c7aa04b
144a5b2765
152dd7d481
hex1dce6eb5

500068021 has 8 divisors (see below), whose sum is σ = 512568000. Its totient is φ = 487582560.

The previous prime is 500067983. The next prime is 500068043. The reversal of 500068021 is 120860005.

It is a happy number.

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 500068021 - 213 = 500059829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500067983 and 500068001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500068321) 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, 108400 + ... + 112918.

It is an arithmetic number, because the mean of its divisors is an integer number (64071000).

Almost surely, 2500068021 is an apocalyptic number.

It is an amenable number.

500068021 is a deficient number, since it is larger than the sum of its proper divisors (12499979).

500068021 is a wasteful number, since it uses less digits than its factorization.

500068021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7259.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 500068021 is about 22362.2007190706. The cubic root of 500068021 is about 793.7365165544.

The spelling of 500068021 in words is "five hundred million, sixty-eight thousand, twenty-one".

Divisors: 1 41 2699 4519 110659 185279 12196781 500068021