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520292953 = 2839291979
BaseRepresentation
bin11111000000110…
…000101001011001
31100021000121202101
4133000300221121
52031143333303
6123343403401
715615263035
oct3700605131
91307017671
10520292953
11247767884
121262b3561
1383a3b96b
144d1591c5
1530a25d1d
hex1f030a59

520292953 has 8 divisors (see below), whose sum is σ = 522957600. Its totient is φ = 517634688.

The previous prime is 520292947. The next prime is 520292987. The reversal of 520292953 is 359292025.

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 520292953 - 29 = 520292441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520292923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261918 + ... + 263896.

It is an arithmetic number, because the mean of its divisors is an integer number (65369700).

Almost surely, 2520292953 is an apocalyptic number.

It is an amenable number.

520292953 is a deficient number, since it is larger than the sum of its proper divisors (2664647).

520292953 is a wasteful number, since it uses less digits than its factorization.

520292953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 520292953 is about 22809.9310169935. The cubic root of 520292953 is about 804.2961340956.

The spelling of 520292953 in words is "five hundred twenty million, two hundred ninety-two thousand, nine hundred fifty-three".

Divisors: 1 283 929 1979 262907 560057 1838491 520292953