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361438093 is a prime number
BaseRepresentation
bin10101100010110…
…001101110001101
3221012002221212001
4111202301232031
51220012004333
655510512301
711646113242
oct2542615615
9835087761
10361438093
11176027875
12a1065691
1359b5c4c3
14360075c9
1521ae7b7d
hex158b1b8d

361438093 has 2 divisors, whose sum is σ = 361438094. Its totient is φ = 361438092.

The previous prime is 361438081. The next prime is 361438097. The reversal of 361438093 is 390834163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360924004 + 514089 = 18998^2 + 717^2 .

It is an emirp because it is prime and its reverse (390834163) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-361438093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361438097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180719046 + 180719047.

It is an arithmetic number, because the mean of its divisors is an integer number (180719047).

Almost surely, 2361438093 is an apocalyptic number.

It is an amenable number.

361438093 is a deficient number, since it is larger than the sum of its proper divisors (1).

361438093 is an equidigital number, since it uses as much as digits as its factorization.

361438093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 361438093 is about 19011.5252675844. The cubic root of 361438093 is about 712.3246511350.

The spelling of 361438093 in words is "three hundred sixty-one million, four hundred thirty-eight thousand, ninety-three".