Base | Representation |
---|---|
bin | 10110001000011011110 |
3 | 1100211210210 |
4 | 2301003132 |
5 | 141201324 |
6 | 23313250 |
7 | 6110220 |
oct | 2610336 |
9 | 1324723 |
10 | 725214 |
11 | 455956 |
12 | 2ab826 |
13 | 1c5129 |
14 | 14c410 |
15 | e4d29 |
hex | b10de |
725214 has 32 divisors (see below), whose sum is σ = 1714176. Its totient is φ = 200160.
The previous prime is 725209. The next prime is 725273. The reversal of 725214 is 412527.
725214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725214.
It is an unprimeable number.
725214 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024 + ... + 1580.
It is an arithmetic number, because the mean of its divisors is an integer number (53568).
2725214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 725214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857088).
725214 is an abundant number, since it is smaller than the sum of its proper divisors (988962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725214 is a wasteful number, since it uses less digits than its factorization.
725214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 600.
The product of its digits is 560, while the sum is 21.
The square root of 725214 is about 851.5949741514. The cubic root of 725214 is about 89.8439270343.
It can be divided in two parts, 725 and 214, that added together give a palindrome (939).
The spelling of 725214 in words is "seven hundred twenty-five thousand, two hundred fourteen".
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