Search a number
-
+
151238489 is a prime number
BaseRepresentation
bin10010000001110…
…11011101011001
3101112120201012112
421000323131121
5302204112424
623001322105
73514335353
oct1100733531
9345521175
10151238489
1178408796
1242796335
132544383c
141612c0d3
15d42660e
hex903b759

151238489 has 2 divisors, whose sum is σ = 151238490. Its totient is φ = 151238488.

The previous prime is 151238473. The next prime is 151238513. The reversal of 151238489 is 984832151.

151238489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121992025 + 29246464 = 11045^2 + 5408^2 .

It is a cyclic number.

It is not a de Polignac number, because 151238489 - 24 = 151238473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151238419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75619244 + 75619245.

It is an arithmetic number, because the mean of its divisors is an integer number (75619245).

Almost surely, 2151238489 is an apocalyptic number.

It is an amenable number.

151238489 is a deficient number, since it is larger than the sum of its proper divisors (1).

151238489 is an equidigital number, since it uses as much as digits as its factorization.

151238489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The square root of 151238489 is about 12297.9058786445. The cubic root of 151238489 is about 532.7876016246.

The spelling of 151238489 in words is "one hundred fifty-one million, two hundred thirty-eight thousand, four hundred eighty-nine".