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530791042 = 2265395521
BaseRepresentation
bin11111101000110…
…011101010000010
31100222202222102111
4133220303222002
52041340303132
6124400405534
716103435515
oct3750635202
91328688374
10530791042
11252688191
121299168aa
1385c76152
14506ccd7c
15318eb647
hex1fa33a82

530791042 has 4 divisors (see below), whose sum is σ = 796186566. Its totient is φ = 265395520.

The previous prime is 530791013. The next prime is 530791061. The reversal of 530791042 is 240197035.

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., 529046001 + 1745041 = 23001^2 + 1321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 530790995 and 530791013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132697759 + ... + 132697762.

Almost surely, 2530791042 is an apocalyptic number.

530791042 is a deficient number, since it is larger than the sum of its proper divisors (265395524).

530791042 is a wasteful number, since it uses less digits than its factorization.

530791042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265395523.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 530791042 is about 23038.9027950551. The cubic root of 530791042 is about 809.6696524165.

The spelling of 530791042 in words is "five hundred thirty million, seven hundred ninety-one thousand, forty-two".

Divisors: 1 2 265395521 530791042