Base | Representation |
---|---|
bin | 10100101111011… |
… | …010001000100010 |
3 | 220020202211000200 |
4 | 110233122020202 |
5 | 1203040102010 |
6 | 54310130030 |
7 | 11423500002 |
oct | 2457321042 |
9 | 806684020 |
10 | 347972130 |
11 | 16946a680 |
12 | 98650916 |
13 | 5712618c |
14 | 34300002 |
15 | 20837cc0 |
hex | 14bda222 |
347972130 has 96 divisors (see below), whose sum is σ = 991381248. Its totient is φ = 83980800.
The previous prime is 347972123. The next prime is 347972143. The reversal of 347972130 is 31279743.
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 47 ways as a sum of consecutive naturals, for example, 267642 + ... + 268938.
It is an arithmetic number, because the mean of its divisors is an integer number (10326888).
Almost surely, 2347972130 is an apocalyptic number.
347972130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 347972130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495690624).
347972130 is an abundant number, since it is smaller than the sum of its proper divisors (643409118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
347972130 is a wasteful number, since it uses less digits than its factorization.
347972130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1592 (or 1589 counting only the distinct ones).
The product of its (nonzero) digits is 31752, while the sum is 36.
The square root of 347972130 is about 18654.0110968124. The cubic root of 347972130 is about 703.3661879539.
The spelling of 347972130 in words is "three hundred forty-seven million, nine hundred seventy-two thousand, one hundred thirty".
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