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525532445 = 5130180789
BaseRepresentation
bin11111010100101…
…111110100011101
31100121212210222122
4133110233310131
52034014014240
6124051552325
716010644364
oct3724576435
91317783878
10525532445
1124a716339
12127bbb6a5
1384b54759
144db207db
153120d4b5
hex1f52fd1d

525532445 has 8 divisors (see below), whose sum is σ = 631131480. Its totient is φ = 420097600.

The previous prime is 525532439. The next prime is 525532459. The reversal of 525532445 is 544235525.

It can be written as a sum of positive squares in 4 ways, for example, as 42016324 + 483516121 = 6482^2 + 21989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-525532445 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33890 + ... + 46899.

It is an arithmetic number, because the mean of its divisors is an integer number (78891435).

Almost surely, 2525532445 is an apocalyptic number.

It is an amenable number.

525532445 is a deficient number, since it is larger than the sum of its proper divisors (105599035).

525532445 is a wasteful number, since it uses less digits than its factorization.

525532445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82095.

The product of its digits is 120000, while the sum is 35.

The square root of 525532445 is about 22924.4944328114. The cubic root of 525532445 is about 806.9869489692.

The spelling of 525532445 in words is "five hundred twenty-five million, five hundred thirty-two thousand, four hundred forty-five".

Divisors: 1 5 1301 6505 80789 403945 105106489 525532445