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90599057 is a prime number
BaseRepresentation
bin1010110011001…
…10111010010001
320022110220112122
411121212322101
5141143132212
612553504025
72150036123
oct531467221
9208426478
1090599057
114716045a
1226412015
1315a01813
14c065213
157e49272
hex5666e91

90599057 has 2 divisors, whose sum is σ = 90599058. Its totient is φ = 90599056.

The previous prime is 90599027. The next prime is 90599123. The reversal of 90599057 is 75099509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88435216 + 2163841 = 9404^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 90599057 - 28 = 90598801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90598999 and 90599017.

It is not a weakly prime, because it can be changed into another prime (90599027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45299528 + 45299529.

It is an arithmetic number, because the mean of its divisors is an integer number (45299529).

Almost surely, 290599057 is an apocalyptic number.

It is an amenable number.

90599057 is a deficient number, since it is larger than the sum of its proper divisors (1).

90599057 is an equidigital number, since it uses as much as digits as its factorization.

90599057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127575, while the sum is 44.

The square root of 90599057 is about 9518.3536916843. The cubic root of 90599057 is about 449.1325792384.

The spelling of 90599057 in words is "ninety million, five hundred ninety-nine thousand, fifty-seven".