Base | Representation |
---|---|
bin | 10011011001010… |
… | …000010011001110 |
3 | 211200021101200210 |
4 | 103121100103032 |
5 | 1131244344340 |
6 | 52142103250 |
7 | 11030514342 |
oct | 2331202316 |
9 | 750241623 |
10 | 325387470 |
11 | 157744471 |
12 | 90b7ab26 |
13 | 52549485 |
14 | 31301622 |
15 | 1d876180 |
hex | 136504ce |
325387470 has 64 divisors (see below), whose sum is σ = 814657536. Its totient is φ = 83082240.
The previous prime is 325387451. The next prime is 325387507. The reversal of 325387470 is 74783523.
It is a Curzon number.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 88407 + ... + 92013.
It is an arithmetic number, because the mean of its divisors is an integer number (12729024).
Almost surely, 2325387470 is an apocalyptic number.
325387470 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 325387470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407328768).
325387470 is an abundant number, since it is smaller than the sum of its proper divisors (489270066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
325387470 is a wasteful number, since it uses less digits than its factorization.
325387470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3745.
The product of its (nonzero) digits is 141120, while the sum is 39.
The square root of 325387470 is about 18038.4996604485. The cubic root of 325387470 is about 687.8075547357.
The spelling of 325387470 in words is "three hundred twenty-five million, three hundred eighty-seven thousand, four hundred seventy".
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