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524430149 is a prime number
BaseRepresentation
bin11111010000100…
…010101101000101
31100112210210220212
4133100202231011
52033223231044
6124012205205
715665403605
oct3720425505
91315723825
10524430149
1124a033151
12127769805
1384859ac9
144d914c05
1531091a9e
hex1f422b45

524430149 has 2 divisors, whose sum is σ = 524430150. Its totient is φ = 524430148.

The previous prime is 524430133. The next prime is 524430163. The reversal of 524430149 is 941034425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489205924 + 35224225 = 22118^2 + 5935^2 .

It is a cyclic number.

It is not a de Polignac number, because 524430149 - 24 = 524430133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (524430349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262215074 + 262215075.

It is an arithmetic number, because the mean of its divisors is an integer number (262215075).

Almost surely, 2524430149 is an apocalyptic number.

It is an amenable number.

524430149 is a deficient number, since it is larger than the sum of its proper divisors (1).

524430149 is an equidigital number, since it uses as much as digits as its factorization.

524430149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 524430149 is about 22900.4399302721. The cubic root of 524430149 is about 806.4223399071.

The spelling of 524430149 in words is "five hundred twenty-four million, four hundred thirty thousand, one hundred forty-nine".