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530512452 = 223219775603
BaseRepresentation
bin11111100111101…
…111101001000100
31100222020211021100
4133213233221010
52041302344302
6124350420100
716101165351
oct3747575104
91328224240
10530512452
11252507948
12129801630
1385ba93c2
1450659628
1531893d1c
hex1f9efa44

530512452 has 36 divisors (see below), whose sum is σ = 1411599280. Its totient is φ = 167530032.

The previous prime is 530512439. The next prime is 530512459. The reversal of 530512452 is 254215035.

It is a happy number.

530512452 is a `hidden beast` number, since 530 + 5 + 124 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (530512459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387118 + ... + 388485.

Almost surely, 2530512452 is an apocalyptic number.

It is an amenable number.

530512452 is an abundant number, since it is smaller than the sum of its proper divisors (881086828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530512452 is a wasteful number, since it uses less digits than its factorization.

530512452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775632 (or 775627 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 530512452 is about 23032.8559236583. The cubic root of 530512452 is about 809.5279737234.

Adding to 530512452 its reverse (254215035), we get a palindrome (784727487).

The spelling of 530512452 in words is "five hundred thirty million, five hundred twelve thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 775603 1551206 2326809 3102412 4653618 6980427 9307236 13960854 14736457 27921708 29472914 44209371 58945828 88418742 132628113 176837484 265256226 530512452