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349716830 = 25137325471
BaseRepresentation
bin10100110110000…
…100000101011110
3220101001110022012
4110312010011132
51204011414310
654411351222
711444354411
oct2466040536
9811043265
10349716830
1116a451481
1299152512
13575b7348
1434635b78
1520a7ec05
hex14d8415e

349716830 has 16 divisors (see below), whose sum is σ = 629973504. Its totient is φ = 139779360.

The previous prime is 349716823. The next prime is 349716833. The reversal of 349716830 is 38617943.

It is a super-2 number, since 2×3497168302 = 244603722370497800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349716833) 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 7 ways as a sum of consecutive naturals, for example, 995 + ... + 26465.

It is an arithmetic number, because the mean of its divisors is an integer number (39373344).

Almost surely, 2349716830 is an apocalyptic number.

349716830 is a deficient number, since it is larger than the sum of its proper divisors (280256674).

349716830 is a wasteful number, since it uses less digits than its factorization.

349716830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26851.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 349716830 is about 18700.7173659194. The cubic root of 349716830 is about 704.5397663489.

The spelling of 349716830 in words is "three hundred forty-nine million, seven hundred sixteen thousand, eight hundred thirty".

Divisors: 1 2 5 10 1373 2746 6865 13730 25471 50942 127355 254710 34971683 69943366 174858415 349716830