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152430431 is a prime number
BaseRepresentation
bin10010001010111…
…10011101011111
3101121211021020112
421011132131133
5303010233211
623043040235
73530431406
oct1105363537
9347737215
10152430431
117905226a
124307007b
132577022a
141635c63d
15d5ae88b
hex915e75f

152430431 has 2 divisors, whose sum is σ = 152430432. Its totient is φ = 152430430.

The previous prime is 152430403. The next prime is 152430433. The reversal of 152430431 is 134034251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152430431 - 26 = 152430367 is a prime.

It is a super-2 number, since 2×1524304312 = 46470072589691522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 152430433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 152430397 and 152430406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152430433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76215215 + 76215216.

It is an arithmetic number, because the mean of its divisors is an integer number (76215216).

Almost surely, 2152430431 is an apocalyptic number.

152430431 is a deficient number, since it is larger than the sum of its proper divisors (1).

152430431 is an equidigital number, since it uses as much as digits as its factorization.

152430431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 152430431 is about 12346.2719474342. The cubic root of 152430431 is about 534.1836105919.

Adding to 152430431 its reverse (134034251), we get a palindrome (286464682).

The spelling of 152430431 in words is "one hundred fifty-two million, four hundred thirty thousand, four hundred thirty-one".