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520942902 = 2386823817
BaseRepresentation
bin11111000011001…
…111010100110110
31100022020122022120
4133003033110312
52031330133102
6123405340410
715623640654
oct3703172466
91308218276
10520942902
11248071127
12126567706
1383c0874c
144d287dd4
1530b036bc
hex1f0cf536

520942902 has 8 divisors (see below), whose sum is σ = 1041885816. Its totient is φ = 173647632.

The previous prime is 520942897. The next prime is 520942907. The reversal of 520942902 is 209249025.

It is an interprime number because it is at equal distance from previous prime (520942897) and next prime (520942907).

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

520942902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520942907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43411903 + ... + 43411914.

It is an arithmetic number, because the mean of its divisors is an integer number (130235727).

Almost surely, 2520942902 is an apocalyptic number.

520942902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520942902 is a wasteful number, since it uses less digits than its factorization.

520942902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86823822.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 520942902 is about 22824.1736323574. The cubic root of 520942902 is about 804.6309031539.

The spelling of 520942902 in words is "five hundred twenty million, nine hundred forty-two thousand, nine hundred two".

Divisors: 1 2 3 6 86823817 173647634 260471451 520942902