Search a number
-
+
152031109 is a prime number
BaseRepresentation
bin10010000111111…
…00111110000101
3101121001222110211
421003330332011
5302404443414
623030315421
73524146246
oct1103747605
9347058424
10152031109
11788aa24a
1242ab8b71
1325660549
1416296ccd
15d5313c4
hex90fcf85

152031109 has 2 divisors, whose sum is σ = 152031110. Its totient is φ = 152031108.

The previous prime is 152031097. The next prime is 152031169. The reversal of 152031109 is 901130251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152028900 + 2209 = 12330^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 152031109 - 211 = 152029061 is a prime.

It is a super-2 number, since 2×1520311092 = 46226916207539762, which contains 22 as substring.

It is equal to p8552101 and since 152031109 and 8552101 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152031109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152031169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76015554 + 76015555.

It is an arithmetic number, because the mean of its divisors is an integer number (76015555).

Almost surely, 2152031109 is an apocalyptic number.

It is an amenable number.

152031109 is a deficient number, since it is larger than the sum of its proper divisors (1).

152031109 is an equidigital number, since it uses as much as digits as its factorization.

152031109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 152031109 is about 12330.0895779390. The cubic root of 152031109 is about 533.7167357288.

The spelling of 152031109 in words is "one hundred fifty-two million, thirty-one thousand, one hundred nine".