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349407495 = 3257764611
BaseRepresentation
bin10100110100111…
…000100100000111
3220100110201222100
4110310320210013
51203422014440
654401003143
711441625513
oct2464704407
9810421870
10349407495
1116a260028
12990234b3
13575095c8
1434595143
1520a1d230
hex14d38907

349407495 has 12 divisors (see below), whose sum is σ = 605639736. Its totient is φ = 186350640.

The previous prime is 349407493. The next prime is 349407517. The reversal of 349407495 is 594704943.

It is a happy number.

349407495 is a `hidden beast` number, since 3 + 494 + 0 + 74 + 95 = 666.

It is not a de Polignac number, because 349407495 - 21 = 349407493 is a prime.

It is a super-3 number, since 3×3494074953 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7764611 = 349407495 / (3 + 4 + 9 + 4 + 0 + 7 + 4 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 349407495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349407493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3882261 + ... + 3882350.

It is an arithmetic number, because the mean of its divisors is an integer number (50469978).

Almost surely, 2349407495 is an apocalyptic number.

349407495 is a deficient number, since it is larger than the sum of its proper divisors (256232241).

349407495 is a wasteful number, since it uses less digits than its factorization.

349407495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7764622 (or 7764619 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 349407495 is about 18692.4448641691. Note that the first 3 decimals coincide. The cubic root of 349407495 is about 704.3319762367.

The spelling of 349407495 in words is "three hundred forty-nine million, four hundred seven thousand, four hundred ninety-five".

Divisors: 1 3 5 9 15 45 7764611 23293833 38823055 69881499 116469165 349407495