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426903149 is a prime number
BaseRepresentation
bin11001011100100…
…000011001101101
31002202021221000202
4121130200121231
51333241400044
6110210003245
713402421411
oct3134403155
91082257022
10426903149
111a9a80722
12bab76525
136a5a0b1a
14409a8d41
1527729c4e
hex1972066d

426903149 has 2 divisors, whose sum is σ = 426903150. Its totient is φ = 426903148.

The previous prime is 426903121. The next prime is 426903203. The reversal of 426903149 is 941309624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262602025 + 164301124 = 16205^2 + 12818^2 .

It is a cyclic number.

It is not a de Polignac number, because 426903149 - 216 = 426837613 is a prime.

It is a super-2 number, since 2×4269031492 = 364492597252232402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426903109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213451574 + 213451575.

It is an arithmetic number, because the mean of its divisors is an integer number (213451575).

Almost surely, 2426903149 is an apocalyptic number.

It is an amenable number.

426903149 is a deficient number, since it is larger than the sum of its proper divisors (1).

426903149 is an equidigital number, since it uses as much as digits as its factorization.

426903149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 426903149 is about 20661.6347126746. The cubic root of 426903149 is about 752.9678839137.

The spelling of 426903149 in words is "four hundred twenty-six million, nine hundred three thousand, one hundred forty-nine".