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349883125 = 54559813
BaseRepresentation
bin10100110110101…
…100101011110101
3220101100220102021
4110312230223311
51204032230000
654415113141
711445646264
oct2466545365
9811326367
10349883125
1116a555409
12992127b1
1357644c47
143467a5db
1520ab411a
hex14dacaf5

349883125 has 10 divisors (see below), whose sum is σ = 437214734. Its totient is φ = 279906000.

The previous prime is 349883123. The next prime is 349883147. The reversal of 349883125 is 521388943.

It can be written as a sum of positive squares in 5 ways, for example, as 174002481 + 175880644 = 13191^2 + 13262^2 .

It is not a de Polignac number, because 349883125 - 21 = 349883123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349883123) 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 9 ways as a sum of consecutive naturals, for example, 279282 + ... + 280531.

Almost surely, 2349883125 is an apocalyptic number.

It is an amenable number.

349883125 is a deficient number, since it is larger than the sum of its proper divisors (87331609).

349883125 is an frugal number, since it uses more digits than its factorization.

349883125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559833 (or 559818 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 349883125 is about 18705.1630572952. The cubic root of 349883125 is about 704.6514213268.

The spelling of 349883125 in words is "three hundred forty-nine million, eight hundred eighty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 559813 2799065 13995325 69976625 349883125