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60145381 is a prime number
BaseRepresentation
bin1110010101101…
…1111011100101
311012011200221201
43211123323211
5110344123011
65545042501
71330140652
oct345337345
9135150851
1060145381
1130a5012a
1218186431
13c5cb1aa
147db8c29
155430cc1
hex395bee5

60145381 has 2 divisors, whose sum is σ = 60145382. Its totient is φ = 60145380.

The previous prime is 60145343. The next prime is 60145409. The reversal of 60145381 is 18354106.

It is an a-pointer prime, because the next prime (60145409) can be obtained adding 60145381 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59814756 + 330625 = 7734^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 60145381 - 217 = 60014309 is a prime.

It is a super-2 number, since 2×601453812 = 7234933711270322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60145321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30072690 + 30072691.

It is an arithmetic number, because the mean of its divisors is an integer number (30072691).

Almost surely, 260145381 is an apocalyptic number.

It is an amenable number.

60145381 is a deficient number, since it is larger than the sum of its proper divisors (1).

60145381 is an equidigital number, since it uses as much as digits as its factorization.

60145381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 60145381 is about 7755.3453179082. The cubic root of 60145381 is about 391.8027020646.

Adding to 60145381 its reverse (18354106), we get a palindrome (78499487).

The spelling of 60145381 in words is "sixty million, one hundred forty-five thousand, three hundred eighty-one".