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155414297 is a prime number
BaseRepresentation
bin10010100001101…
…10111100011001
3101211102212100002
421100312330121
5304241224142
623231022345
73564666623
oct1120667431
9354385302
10155414297
117a800075
124406a9b5
132627642c
14168d7c13
15d99da32
hex9436f19

155414297 has 2 divisors, whose sum is σ = 155414298. Its totient is φ = 155414296.

The previous prime is 155414293. The next prime is 155414309. The reversal of 155414297 is 792414551.

155414297 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., 155351296 + 63001 = 12464^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 155414297 - 22 = 155414293 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155414297.

It is not a weakly prime, because it can be changed into another prime (155414293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77707148 + 77707149.

It is an arithmetic number, because the mean of its divisors is an integer number (77707149).

Almost surely, 2155414297 is an apocalyptic number.

It is an amenable number.

155414297 is a deficient number, since it is larger than the sum of its proper divisors (1).

155414297 is an equidigital number, since it uses as much as digits as its factorization.

155414297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 38.

The square root of 155414297 is about 12466.5270624982. The cubic root of 155414297 is about 537.6467060872.

It can be divided in two parts, 1554 and 14297, that added together give a palindrome (15851).

The spelling of 155414297 in words is "one hundred fifty-five million, four hundred fourteen thousand, two hundred ninety-seven".