Search a number
-
+
349407882 = 232314091531
BaseRepresentation
bin10100110100111…
…000101010001010
3220100110202111200
4110310320222022
51203422023012
654401005030
711441626605
oct2464705212
9810422450
10349407882
1116a26034a
1299023776
1357509835
143459533c
1520a1d3dc
hex14d38a8a

349407882 has 48 divisors (see below), whose sum is σ = 783893760. Its totient is φ = 112363200.

The previous prime is 349407829. The next prime is 349407911. The reversal of 349407882 is 288704943.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227457 + ... + 228987.

It is an arithmetic number, because the mean of its divisors is an integer number (16331120).

Almost surely, 2349407882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349407882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391946880).

349407882 is an abundant number, since it is smaller than the sum of its proper divisors (434485878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349407882 is a wasteful number, since it uses less digits than its factorization.

349407882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 349407882 is about 18692.4552159421. The cubic root of 349407882 is about 704.3322362735.

The spelling of 349407882 in words is "three hundred forty-nine million, four hundred seven thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 409 558 818 1227 1531 2454 3062 3681 4593 7362 9186 12679 13779 25358 27558 38037 47461 76074 94922 114111 142383 228222 284766 427149 626179 854298 1252358 1878537 3757074 5635611 11271222 19411549 38823098 58234647 116469294 174703941 349407882