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387266141 is a prime number
BaseRepresentation
bin10111000101010…
…011011001011101
3222222201011021102
4113011103121131
51243120004031
6102232242445
712411464543
oct2705233135
9888634242
10387266141
11189668869
12a9840425
1362303582
143960bd93
1523eea7cb
hex1715365d

387266141 has 2 divisors, whose sum is σ = 387266142. Its totient is φ = 387266140.

The previous prime is 387266129. The next prime is 387266183. The reversal of 387266141 is 141662783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270734116 + 116532025 = 16454^2 + 10795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-387266141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 387266095 and 387266104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387266441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193633070 + 193633071.

It is an arithmetic number, because the mean of its divisors is an integer number (193633071).

Almost surely, 2387266141 is an apocalyptic number.

It is an amenable number.

387266141 is a deficient number, since it is larger than the sum of its proper divisors (1).

387266141 is an equidigital number, since it uses as much as digits as its factorization.

387266141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 387266141 is about 19679.0787640072. The cubic root of 387266141 is about 728.9031761432.

The spelling of 387266141 in words is "three hundred eighty-seven million, two hundred sixty-six thousand, one hundred forty-one".