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529430042 = 2264715021
BaseRepresentation
bin11111100011100…
…111011000011010
31100220012211111002
4133203213120122
52041013230132
6124311305002
716056036551
oct3743473032
91326184432
10529430042
11251938699
1212937b162
13858ba81b
1450456d98
153172d262
hex1f8e761a

529430042 has 4 divisors (see below), whose sum is σ = 794145066. Its totient is φ = 264715020.

The previous prime is 529430039. The next prime is 529430051. The reversal of 529430042 is 240034925.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 402845041 + 126585001 = 20071^2 + 11251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 529429987 and 529430014.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 132357509 + ... + 132357512.

Almost surely, 2529430042 is an apocalyptic number.

529430042 is a deficient number, since it is larger than the sum of its proper divisors (264715024).

529430042 is a wasteful number, since it uses less digits than its factorization.

529430042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264715023.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 529430042 is about 23009.3468399257. The cubic root of 529430042 is about 808.9770361147.

Adding to 529430042 its reverse (240034925), we get a palindrome (769464967).

The spelling of 529430042 in words is "five hundred twenty-nine million, four hundred thirty thousand, forty-two".

Divisors: 1 2 264715021 529430042