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520214542 = 2454957179
BaseRepresentation
bin11111000000011…
…101100000001110
31100020212122012021
4133000131200032
52031133331132
6123342000354
715614515321
oct3700354016
91306778167
10520214542
11247713981
121262760ba
1383a12073
144d1387b8
1530a0c997
hex1f01d80e

520214542 has 8 divisors (see below), whose sum is σ = 780507000. Its totient is φ = 260045544.

The previous prime is 520214533. The next prime is 520214567. The reversal of 520214542 is 245412025.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19492 + ... + 37687.

It is an arithmetic number, because the mean of its divisors is an integer number (97563375).

Almost surely, 2520214542 is an apocalyptic number.

520214542 is a deficient number, since it is larger than the sum of its proper divisors (260292458).

520214542 is a wasteful number, since it uses less digits than its factorization.

520214542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61730.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 520214542 is about 22808.2121614124. The cubic root of 520214542 is about 804.2557281204.

Adding to 520214542 its reverse (245412025), we get a palindrome (765626567).

The spelling of 520214542 in words is "five hundred twenty million, two hundred fourteen thousand, five hundred forty-two".

Divisors: 1 2 4549 9098 57179 114358 260107271 520214542