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234472387 is a prime number
BaseRepresentation
bin11011111100111…
…00001111000011
3121100012102122111
431332130033003
5440011104022
635133320151
75544660652
oct1576341703
9540172574
10234472387
11110398636
1266636057
1339766b76
14231d7199
15158b8477
hexdf9c3c3

234472387 has 2 divisors, whose sum is σ = 234472388. Its totient is φ = 234472386.

The previous prime is 234472361. The next prime is 234472391. The reversal of 234472387 is 783274432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-234472387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (234472397) 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, 117236193 + 117236194.

It is an arithmetic number, because the mean of its divisors is an integer number (117236194).

Almost surely, 2234472387 is an apocalyptic number.

234472387 is a deficient number, since it is larger than the sum of its proper divisors (1).

234472387 is an equidigital number, since it uses as much as digits as its factorization.

234472387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 40.

The square root of 234472387 is about 15312.4912081607. The cubic root of 234472387 is about 616.6384030224.

The spelling of 234472387 in words is "two hundred thirty-four million, four hundred seventy-two thousand, three hundred eighty-seven".