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349616125 = 532796929
BaseRepresentation
bin10100110101101…
…011011111111101
3220100212100011101
4110311223133331
51204000204000
654405253101
711443454665
oct2465533775
9810770141
10349616125
1116a392851
1299104191
1357580561
143460b1a5
1520a5ee6a
hex14d6b7fd

349616125 has 8 divisors (see below), whose sum is σ = 436321080. Its totient is φ = 279692800.

The previous prime is 349616107. The next prime is 349616129. The reversal of 349616125 is 521616943.

349616125 = 132212 + 132222.

It can be written as a sum of positive squares in 4 ways, for example, as 59629284 + 289986841 = 7722^2 + 17029^2 .

It is not a de Polignac number, because 349616125 - 217 = 349485053 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349616129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398340 + ... + 1398589.

It is an arithmetic number, because the mean of its divisors is an integer number (54540135).

Almost surely, 2349616125 is an apocalyptic number.

349616125 is the 13222-nd centered square number.

It is an amenable number.

349616125 is a deficient number, since it is larger than the sum of its proper divisors (86704955).

349616125 is an equidigital number, since it uses as much as digits as its factorization.

349616125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796944 (or 2796934 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 349616125 is about 18698.0246282863. The cubic root of 349616125 is about 704.4721330692.

The spelling of 349616125 in words is "three hundred forty-nine million, six hundred sixteen thousand, one hundred twenty-five".

Divisors: 1 5 25 125 2796929 13984645 69923225 349616125