Base | Representation |
---|---|
bin | 1000101000110… |
… | …10000000000001 |
3 | 12001100021000120 |
4 | 10110122000001 |
5 | 122022130431 |
6 | 11105010453 |
7 | 1536612342 |
oct | 424320001 |
9 | 161307016 |
10 | 72458241 |
11 | 3799aa49 |
12 | 20323a29 |
13 | 1201c6cb |
14 | 98a20c9 |
15 | 6564196 |
hex | 451a001 |
72458241 has 4 divisors (see below), whose sum is σ = 96610992. Its totient is φ = 48305492.
The previous prime is 72458231. The next prime is 72458251. The reversal of 72458241 is 14285427.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (72458231) and next prime (72458251).
It is a cyclic number.
It is not a de Polignac number, because 72458241 - 25 = 72458209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (72458201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12076371 + ... + 12076376.
It is an arithmetic number, because the mean of its divisors is an integer number (24152748).
Almost surely, 272458241 is an apocalyptic number.
It is an amenable number.
72458241 is a deficient number, since it is larger than the sum of its proper divisors (24152751).
72458241 is a wasteful number, since it uses less digits than its factorization.
72458241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24152750.
The product of its digits is 17920, while the sum is 33.
The square root of 72458241 is about 8512.2406568424. The cubic root of 72458241 is about 416.8974726228.
The spelling of 72458241 in words is "seventy-two million, four hundred fifty-eight thousand, two hundred forty-one".
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