Search a number
-
+
349283805 = 35131999001
BaseRepresentation
bin10100110100011…
…010010111011101
3220100020110022020
4110310122113131
51203404040210
654354210353
711440602063
oct2464322735
9810213266
10349283805
1116a186102
1298b839b9
1357495210
1434562033
15209e6770
hex14d1a5dd

349283805 has 32 divisors (see below), whose sum is σ = 604934400. Its totient is φ = 171072000.

The previous prime is 349283761. The next prime is 349283807. The reversal of 349283805 is 508382943.

It is not a de Polignac number, because 349283805 - 26 = 349283741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349283807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34305 + ... + 43305.

It is an arithmetic number, because the mean of its divisors is an integer number (18904200).

Almost surely, 2349283805 is an apocalyptic number.

It is an amenable number.

349283805 is a deficient number, since it is larger than the sum of its proper divisors (255650595).

349283805 is a wasteful number, since it uses less digits than its factorization.

349283805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 349283805 is about 18689.1360153432. The cubic root of 349283805 is about 704.2488554247.

The spelling of 349283805 in words is "three hundred forty-nine million, two hundred eighty-three thousand, eight hundred five".

Divisors: 1 3 5 13 15 39 65 195 199 597 995 2587 2985 7761 9001 12935 27003 38805 45005 117013 135015 351039 585065 1755195 1791199 5373597 8955995 23285587 26867985 69856761 116427935 349283805