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349033761 = 3238781529
BaseRepresentation
bin10100110011011…
…101010100100001
3220022202202022100
4110303131110201
51203323040021
654345001013
711435511066
oct2463352441
9808682270
10349033761
1116a02525a
1298a83169
135740846b
14344d8c6d
1520997626
hex14cdd521

349033761 has 6 divisors (see below), whose sum is σ = 504159890. Its totient is φ = 232689168.

The previous prime is 349033759. The next prime is 349033777. The reversal of 349033761 is 167330943.

It can be written as a sum of positive squares in only one way, i.e., 205033761 + 144000000 = 14319^2 + 12000^2 .

It is not a de Polignac number, because 349033761 - 21 = 349033759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349033261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19390756 + ... + 19390773.

Almost surely, 2349033761 is an apocalyptic number.

It is an amenable number.

349033761 is a deficient number, since it is larger than the sum of its proper divisors (155126129).

349033761 is a wasteful number, since it uses less digits than its factorization.

349033761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38781535 (or 38781532 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 349033761 is about 18682.4452628664. The cubic root of 349033761 is about 704.0807636177.

The spelling of 349033761 in words is "three hundred forty-nine million, thirty-three thousand, seven hundred sixty-one".

Divisors: 1 3 9 38781529 116344587 349033761