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234426139 is a prime number
BaseRepresentation
bin11011111100100…
…00111100011011
3121100010002012121
431332100330123
5440003114024
635132322111
75544406063
oct1576207433
9540102177
10234426139
11110366912
1266613337
133974babc
14231c43a3
15158a98e4
hexdf90f1b

234426139 has 2 divisors, whose sum is σ = 234426140. Its totient is φ = 234426138.

The previous prime is 234426119. The next prime is 234426173. The reversal of 234426139 is 931624432.

It is a happy number.

It is an a-pointer prime, because the next prime (234426173) can be obtained adding 234426139 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234426139 - 217 = 234295067 is a prime.

It is a super-2 number, since 2×2344261392 = 109911229292894642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (234426109) 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, 117213069 + 117213070.

It is an arithmetic number, because the mean of its divisors is an integer number (117213070).

Almost surely, 2234426139 is an apocalyptic number.

234426139 is a deficient number, since it is larger than the sum of its proper divisors (1).

234426139 is an equidigital number, since it uses as much as digits as its factorization.

234426139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 234426139 is about 15310.9809940448. The cubic root of 234426139 is about 616.5978578529.

The spelling of 234426139 in words is "two hundred thirty-four million, four hundred twenty-six thousand, one hundred thirty-nine".