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349023929 = 1816532953
BaseRepresentation
bin10100110011011…
…010111010111001
3220022202020211012
4110303122322321
51203322231204
654344443305
711435440322
oct2463327271
9808666735
10349023929
1116a018931
1298a79535
1357403b47
14344d5449
152099476e
hex14cdaeb9

349023929 has 8 divisors (see below), whose sum is σ = 351608712. Its totient is φ = 346446720.

The previous prime is 349023907. The next prime is 349023931. The reversal of 349023929 is 929320943.

It can be written as a sum of positive squares in 4 ways, for example, as 2319529 + 346704400 = 1523^2 + 18620^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349023929 - 212 = 349019833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349023989) 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 7 ways as a sum of consecutive naturals, for example, 116717 + ... + 119669.

It is an arithmetic number, because the mean of its divisors is an integer number (43951089).

Almost surely, 2349023929 is an apocalyptic number.

It is an amenable number.

349023929 is a deficient number, since it is larger than the sum of its proper divisors (2584783).

349023929 is a wasteful number, since it uses less digits than its factorization.

349023929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 349023929 is about 18682.1821262935. The cubic root of 349023929 is about 704.0741524262.

The spelling of 349023929 in words is "three hundred forty-nine million, twenty-three thousand, nine hundred twenty-nine".

Divisors: 1 181 653 2953 118193 534493 1928309 349023929