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349294291 = 1773328031
BaseRepresentation
bin10100110100011…
…100111011010011
3220100020222200121
4110310130323103
51203404404131
654354331111
711440644463
oct2464347323
9810228617
10349294291
1116a192a75
1298b89a97
1357499c18
1434565ba3
15209e9911
hex14d1ced3

349294291 has 8 divisors (see below), whose sum is σ = 370358784. Its totient is φ = 328287360.

The previous prime is 349294273. The next prime is 349294303. The reversal of 349294291 is 192492943.

It is a happy number.

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 349294291 - 27 = 349294163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349298291) 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, 1555 + ... + 26476.

It is an arithmetic number, because the mean of its divisors is an integer number (46294848).

Almost surely, 2349294291 is an apocalyptic number.

349294291 is a deficient number, since it is larger than the sum of its proper divisors (21064493).

349294291 is a wasteful number, since it uses less digits than its factorization.

349294291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28781.

The product of its digits is 139968, while the sum is 43.

The square root of 349294291 is about 18689.4165505507. The cubic root of 349294291 is about 704.2559028739.

The spelling of 349294291 in words is "three hundred forty-nine million, two hundred ninety-four thousand, two hundred ninety-one".

Divisors: 1 17 733 12461 28031 476527 20546723 349294291