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530512445 = 5106102489
BaseRepresentation
bin11111100111101…
…111101000111101
31100222020211021002
4133213233220331
52041302344240
6124350420045
716101165341
oct3747575075
91328224232
10530512445
11252507941
12129801625
1385ba93b8
1450659621
1531893d15
hex1f9efa3d

530512445 has 4 divisors (see below), whose sum is σ = 636614940. Its totient is φ = 424409952.

The previous prime is 530512439. The next prime is 530512459. The reversal of 530512445 is 544215035.

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

It can be written as a sum of positive squares in 2 ways, for example, as 290293444 + 240219001 = 17038^2 + 15499^2 .

It is a cyclic number.

It is not a de Polignac number, because 530512445 - 24 = 530512429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53051240 + ... + 53051249.

It is an arithmetic number, because the mean of its divisors is an integer number (159153735).

Almost surely, 2530512445 is an apocalyptic number.

It is an amenable number.

530512445 is a deficient number, since it is larger than the sum of its proper divisors (106102495).

530512445 is a wasteful number, since it uses less digits than its factorization.

530512445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106102494.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 530512445 is about 23032.8557717014. The cubic root of 530512445 is about 809.5279701629.

The spelling of 530512445 in words is "five hundred thirty million, five hundred twelve thousand, four hundred forty-five".

Divisors: 1 5 106102489 530512445