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349229141 = 1078932369
BaseRepresentation
bin10100110100001…
…101000001010101
3220100010200022122
4110310031001111
51203400313031
654353105325
711440253522
oct2464150125
9810120278
10349229141
1116a149028
1298b58245
1357476381
143454a149
15209d547b
hex14d0d055

349229141 has 4 divisors (see below), whose sum is σ = 349272300. Its totient is φ = 349185984.

The previous prime is 349229131. The next prime is 349229203. The reversal of 349229141 is 141922943.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 141922943 = 509278827.

It can be written as a sum of positive squares in 2 ways, for example, as 73170916 + 276058225 = 8554^2 + 16615^2 .

It is a cyclic number.

It is not a de Polignac number, because 349229141 - 26 = 349229077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349229131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5396 + ... + 26973.

It is an arithmetic number, because the mean of its divisors is an integer number (87318075).

Almost surely, 2349229141 is an apocalyptic number.

It is an amenable number.

349229141 is a deficient number, since it is larger than the sum of its proper divisors (43159).

349229141 is a wasteful number, since it uses less digits than its factorization.

349229141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43158.

The product of its digits is 15552, while the sum is 35.

The square root of 349229141 is about 18687.6735042113. The cubic root of 349229141 is about 704.2121144638.

The spelling of 349229141 in words is "three hundred forty-nine million, two hundred twenty-nine thousand, one hundred forty-one".

Divisors: 1 10789 32369 349229141