Search a number
-
+
348146920 = 235114318401
BaseRepresentation
bin10100110000000…
…100110011101000
3220021002200210101
4110300010303220
51203111200140
654313555144
711425125412
oct2460046350
9807080711
10348146920
11169579a30
1298715ab4
13571878c4
14343479b2
152086e99a
hex14c04ce8

348146920 has 64 divisors (see below), whose sum is σ = 874463040. Its totient is φ = 123648000.

The previous prime is 348146879. The next prime is 348146921. The reversal of 348146920 is 29641843.

It is a self number, because there is not a number n which added to its sum of digits gives 348146920.

It is not an unprimeable number, because it can be changed into a prime (348146921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9720 + ... + 28120.

It is an arithmetic number, because the mean of its divisors is an integer number (13663485).

Almost surely, 2348146920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348146920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437231520).

348146920 is an abundant number, since it is smaller than the sum of its proper divisors (526316120).

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

348146920 is a wasteful number, since it uses less digits than its factorization.

348146920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18466 (or 18462 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 348146920 is about 18658.6955599795. The cubic root of 348146920 is about 703.4839376108.

The spelling of 348146920 in words is "three hundred forty-eight million, one hundred forty-six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 43 44 55 86 88 110 172 215 220 344 430 440 473 860 946 1720 1892 2365 3784 4730 9460 18401 18920 36802 73604 92005 147208 184010 202411 368020 404822 736040 791243 809644 1012055 1582486 1619288 2024110 3164972 3956215 4048220 6329944 7912430 8096440 8703673 15824860 17407346 31649720 34814692 43518365 69629384 87036730 174073460 348146920