Base | Representation |
---|---|
bin | 1000100110010… |
… | …00101100101110 |
3 | 12000201100012211 |
4 | 10103020230232 |
5 | 121431001410 |
6 | 11053521034 |
7 | 1534024432 |
oct | 423105456 |
9 | 160640184 |
10 | 72125230 |
11 | 37792831 |
12 | 201a317a |
13 | 11c33c68 |
14 | 98169c2 |
15 | 64ea68a |
hex | 44c8b2e |
72125230 has 8 divisors (see below), whose sum is σ = 129825432. Its totient is φ = 28850088.
The previous prime is 72125227. The next prime is 72125267. The reversal of 72125230 is 3252127.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3606252 + ... + 3606271.
It is an arithmetic number, because the mean of its divisors is an integer number (16228179).
Almost surely, 272125230 is an apocalyptic number.
72125230 is a deficient number, since it is larger than the sum of its proper divisors (57700202).
72125230 is a wasteful number, since it uses less digits than its factorization.
72125230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7212530.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 72125230 is about 8492.6574168513. The cubic root of 72125230 is about 416.2578183323.
Adding to 72125230 its reverse (3252127), we get a palindrome (75377357).
The spelling of 72125230 in words is "seventy-two million, one hundred twenty-five thousand, two hundred thirty".
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