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520452042 = 231117463861
BaseRepresentation
bin11111000001010…
…111011111001010
31100021022200222120
4133001113133022
52031213431132
6123351032110
715616524615
oct3701273712
91307280876
10520452042
11247866360
1212636b636
1383a961b6
144d19b17c
1530a5802c
hex1f0577ca

520452042 has 32 divisors (see below), whose sum is σ = 1202330304. Its totient is φ = 148435200.

The previous prime is 520452041. The next prime is 520452043. The reversal of 520452042 is 240254025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (520452041) and next prime (520452043).

It is not an unprimeable number, because it can be changed into a prime (520452041) 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 15 ways as a sum of consecutive naturals, for example, 230809 + ... + 233052.

It is an arithmetic number, because the mean of its divisors is an integer number (37572822).

Almost surely, 2520452042 is an apocalyptic number.

520452042 is an abundant number, since it is smaller than the sum of its proper divisors (681878262).

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

520452042 is a wasteful number, since it uses less digits than its factorization.

520452042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463894.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 520452042 is about 22813.4180253639. The cubic root of 520452042 is about 804.3781017818.

The spelling of 520452042 in words is "five hundred twenty million, four hundred fifty-two thousand, forty-two".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 374 561 1122 463861 927722 1391583 2783166 5102471 7885637 10204942 15307413 15771274 23656911 30614826 47313822 86742007 173484014 260226021 520452042