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349469519 = 727132031
BaseRepresentation
bin10100110101000…
…111101101001111
3220100120220001112
4110311013231033
51203431011034
654402202235
711442304400
oct2465075517
9810526045
10349469519
1116a2a2693
129905337b
135752b8c9
14345ad9a7
1520a317ce
hex14d47b4f

349469519 has 6 divisors (see below), whose sum is σ = 406525824. Its totient is φ = 299545260.

The previous prime is 349469513. The next prime is 349469543. The reversal of 349469519 is 915964943.

It is not a de Polignac number, because 349469519 - 24 = 349469503 is a prime.

It is a super-2 number, since 2×3494695192 = 244257889420182722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349469513) 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 in 5 ways as a sum of consecutive naturals, for example, 3565967 + ... + 3566064.

It is an arithmetic number, because the mean of its divisors is an integer number (67754304).

Almost surely, 2349469519 is an apocalyptic number.

349469519 is a deficient number, since it is larger than the sum of its proper divisors (57056305).

349469519 is an equidigital number, since it uses as much as digits as its factorization.

349469519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7132045 (or 7132038 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 50.

The square root of 349469519 is about 18694.1038565640. The cubic root of 349469519 is about 704.3736495480.

The spelling of 349469519 in words is "three hundred forty-nine million, four hundred sixty-nine thousand, five hundred nineteen".

Divisors: 1 7 49 7132031 49924217 349469519