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349983131 = 1749941257
BaseRepresentation
bin10100110111000…
…101000110011011
3220101112222121012
4110313011012123
51204043430011
654421204135
711446543661
oct2467050633
9811488535
10349983131
1116a613563
129926064b
135767b614
14346a4c31
1520ad3a8b
hex14dc519b

349983131 has 8 divisors (see below), whose sum is σ = 371322000. Its totient is φ = 328727808.

The previous prime is 349983083. The next prime is 349983209. The reversal of 349983131 is 131389943.

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 349983131 - 222 = 345788827 is a prime.

It is a super-2 number, since 2×3499831312 = 244976383969126322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349983731) 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, 12146 + ... + 29111.

It is an arithmetic number, because the mean of its divisors is an integer number (46415250).

Almost surely, 2349983131 is an apocalyptic number.

349983131 is a deficient number, since it is larger than the sum of its proper divisors (21338869).

349983131 is a wasteful number, since it uses less digits than its factorization.

349983131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41773.

The product of its digits is 69984, while the sum is 41.

The square root of 349983131 is about 18707.8360854483. The cubic root of 349983131 is about 704.7185510358.

The spelling of 349983131 in words is "three hundred forty-nine million, nine hundred eighty-three thousand, one hundred thirty-one".

Divisors: 1 17 499 8483 41257 701369 20587243 349983131