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234105439 is a prime number
BaseRepresentation
bin11011111010000…
…10101001011111
3121022111210021211
431331002221133
5434412333224
635121405251
75541602101
oct1575025137
9538453254
10234105439
11110167977
1266499827
1339668b39
142313d571
1515844894
hexdf42a5f

234105439 has 2 divisors, whose sum is σ = 234105440. Its totient is φ = 234105438.

The previous prime is 234105383. The next prime is 234105467. The reversal of 234105439 is 934501432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-234105439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234105439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234105239) 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, 117052719 + 117052720.

It is an arithmetic number, because the mean of its divisors is an integer number (117052720).

Almost surely, 2234105439 is an apocalyptic number.

234105439 is a deficient number, since it is larger than the sum of its proper divisors (1).

234105439 is an equidigital number, since it uses as much as digits as its factorization.

234105439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 234105439 is about 15300.5045341649. The cubic root of 234105439 is about 616.3165564948.

The spelling of 234105439 in words is "two hundred thirty-four million, one hundred five thousand, four hundred thirty-nine".