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558515042 = 21729832
BaseRepresentation
bin100001010010100…
…100001101100010
31102220221111121022
4201102210031202
52120434440132
6131230525442
716561204511
oct4122441542
91386844538
10558515042
112672a3688
12137066882
138b932197
1454268678
1534075e12
hex214a4362

558515042 has 18 divisors (see below), whose sum is σ = 890858433. Its totient is φ = 262563232.

The previous prime is 558515033. The next prime is 558515047. The reversal of 558515042 is 240515855.

It can be written as a sum of positive squares in 2 ways, for example, as 511166881 + 47348161 = 22609^2 + 6881^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=16711.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 558514993 and 558515011.

It is not an unprimeable number, because it can be changed into a prime (558515047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 567683 + ... + 568665.

Almost surely, 2558515042 is an apocalyptic number.

558515042 is a deficient number, since it is larger than the sum of its proper divisors (332343391).

558515042 is an frugal number, since it uses more digits than its factorization.

558515042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The square root of 558515042 is about 23632.9228408168. The cubic root of 558515042 is about 823.5278512722.

The spelling of 558515042 in words is "five hundred fifty-eight million, five hundred fifteen thousand, forty-two".

Divisors: 1 2 17 34 289 578 983 1966 16711 33422 284087 568174 966289 1932578 16426913 32853826 279257521 558515042