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119531389 is a prime number
BaseRepresentation
bin1110001111111…
…10011101111101
322022220211020111
413013332131331
5221100001024
615505550021
72651000005
oct707763575
9268824214
10119531389
116152177a
1234045311
131b9c1843
1411c37005
15a761a94
hex71fe77d

119531389 has 2 divisors, whose sum is σ = 119531390. Its totient is φ = 119531388.

The previous prime is 119531383. The next prime is 119531459. The reversal of 119531389 is 983135911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119530489 + 900 = 10933^2 + 30^2 .

It is an emirp because it is prime and its reverse (983135911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 119531389 - 211 = 119529341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119531383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59765694 + 59765695.

It is an arithmetic number, because the mean of its divisors is an integer number (59765695).

Almost surely, 2119531389 is an apocalyptic number.

It is an amenable number.

119531389 is a deficient number, since it is larger than the sum of its proper divisors (1).

119531389 is an equidigital number, since it uses as much as digits as its factorization.

119531389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 40.

The square root of 119531389 is about 10933.0411597140. The cubic root of 119531389 is about 492.5995250092.

The spelling of 119531389 in words is "one hundred nineteen million, five hundred thirty-one thousand, three hundred eighty-nine".