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528475061 = 1181447481
BaseRepresentation
bin11111011111111…
…110001110110101
31100211102022111102
4133133332032311
52040242200221
6124235015445
716044651422
oct3737761665
91324368442
10528475061
11251346154
12128b9a585
1385644c4a
1450288d49
15315e030b
hex1f7fe3b5

528475061 has 4 divisors (see below), whose sum is σ = 528923724. Its totient is φ = 528026400.

The previous prime is 528475043. The next prime is 528475069. The reversal of 528475061 is 160574825.

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 479391025 + 49084036 = 21895^2 + 7006^2 .

It is a cyclic number.

It is not a de Polignac number, because 528475061 - 26 = 528474997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528475069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222560 + ... + 224921.

It is an arithmetic number, because the mean of its divisors is an integer number (132230931).

Almost surely, 2528475061 is an apocalyptic number.

It is an amenable number.

528475061 is a deficient number, since it is larger than the sum of its proper divisors (448663).

528475061 is a wasteful number, since it uses less digits than its factorization.

528475061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448662.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 528475061 is about 22988.5854501750. The cubic root of 528475061 is about 808.4903349364.

The spelling of 528475061 in words is "five hundred twenty-eight million, four hundred seventy-five thousand, sixty-one".

Divisors: 1 1181 447481 528475061