Base | Representation |
---|---|
bin | 10011011011100… |
… | …000100100001100 |
3 | 211201101102021100 |
4 | 103123200210030 |
5 | 1131422302010 |
6 | 52202503100 |
7 | 11035525200 |
oct | 2333404414 |
9 | 751342240 |
10 | 325978380 |
11 | 158008422 |
12 | 91204a90 |
13 | 526c5420 |
14 | 31416b00 |
15 | 1d9412c0 |
hex | 136e090c |
325978380 has 216 divisors, whose sum is σ = 1239153552. Its totient is φ = 68753664.
The previous prime is 325978369. The next prime is 325978381. The reversal of 325978380 is 83879523.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (325978381) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 113239 + ... + 116081.
It is an arithmetic number, because the mean of its divisors is an integer number (5736822).
Almost surely, 2325978380 is an apocalyptic number.
325978380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 325978380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619576776).
325978380 is an abundant number, since it is smaller than the sum of its proper divisors (913175172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
325978380 is a wasteful number, since it uses less digits than its factorization.
325978380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2885 (or 2873 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 325978380 is about 18054.8713648145. The cubic root of 325978380 is about 688.2236602692.
The spelling of 325978380 in words is "three hundred twenty-five million, nine hundred seventy-eight thousand, three hundred eighty".
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