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427426829 is a prime number
BaseRepresentation
bin11001011110100…
…000010000001101
31002210021112101022
4121132200100031
51333410124304
6110225123525
713410032234
oct3136402015
91083245338
10427426829
111aa2a9115
12bb1895a5
136a7252ab
1440aa3b1b
15277ceebe
hex197a040d

427426829 has 2 divisors, whose sum is σ = 427426830. Its totient is φ = 427426828.

The previous prime is 427426799. The next prime is 427426859. The reversal of 427426829 is 928624724.

It is a balanced prime because it is at equal distance from previous prime (427426799) and next prime (427426859).

It can be written as a sum of positive squares in only one way, i.e., 281065225 + 146361604 = 16765^2 + 12098^2 .

It is a cyclic number.

It is not a de Polignac number, because 427426829 - 216 = 427361293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427426829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427426859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213713414 + 213713415.

It is an arithmetic number, because the mean of its divisors is an integer number (213713415).

Almost surely, 2427426829 is an apocalyptic number.

It is an amenable number.

427426829 is a deficient number, since it is larger than the sum of its proper divisors (1).

427426829 is an equidigital number, since it uses as much as digits as its factorization.

427426829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 44.

The square root of 427426829 is about 20674.3035916570. The cubic root of 427426829 is about 753.2756454420.

The spelling of 427426829 in words is "four hundred twenty-seven million, four hundred twenty-six thousand, eight hundred twenty-nine".