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4387000949 is a prime number
BaseRepresentation
bin1000001010111110…
…00101001001110101
3102022201220201221122
410011133011021311
532441033012244
62003152353325
7213466615142
oct40537051165
912281821848
104387000949
111951390821
12a25245845
1354bb61366
142d88d33c9
151aa21c1ee
hex1057c5275

4387000949 has 2 divisors, whose sum is σ = 4387000950. Its totient is φ = 4387000948.

The previous prime is 4387000913. The next prime is 4387000957. The reversal of 4387000949 is 9490007834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2491008100 + 1895992849 = 49910^2 + 43543^2 .

It is a cyclic number.

It is not a de Polignac number, because 4387000949 - 224 = 4370223733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4387000999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2193500474 + 2193500475.

It is an arithmetic number, because the mean of its divisors is an integer number (2193500475).

Almost surely, 24387000949 is an apocalyptic number.

It is an amenable number.

4387000949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4387000949 is an equidigital number, since it uses as much as digits as its factorization.

4387000949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 4387000949 is about 66234.4392970908. The cubic root of 4387000949 is about 1637.0272526416.

The spelling of 4387000949 in words is "four billion, three hundred eighty-seven million, nine hundred forty-nine", and thus it is an aban number.