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8725241 = 79671289
BaseRepresentation
bin100001010010…
…001011111001
3121102021210002
4201102023321
54213201431
6511002345
7134110010
oct41221371
917367702
108725241
114a1a448
122b093b5
131a66585
141231a77
15b753cb
hex8522f9

8725241 has 8 divisors (see below), whose sum is σ = 9989760. Its totient is φ = 7465248.

The previous prime is 8725219. The next prime is 8725243. The reversal of 8725241 is 1425278.

8725241 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8725241 - 26 = 8725177 is a prime.

It is a super-2 number, since 2×87252412 = 152259661016162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8725243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6125 + ... + 7413.

It is an arithmetic number, because the mean of its divisors is an integer number (1248720).

Almost surely, 28725241 is an apocalyptic number.

It is an amenable number.

8725241 is a deficient number, since it is larger than the sum of its proper divisors (1264519).

8725241 is a wasteful number, since it uses less digits than its factorization.

8725241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263.

The product of its digits is 4480, while the sum is 29.

The square root of 8725241 is about 2953.8518920217. The cubic root of 8725241 is about 205.8697215668.

The spelling of 8725241 in words is "eight million, seven hundred twenty-five thousand, two hundred forty-one".

Divisors: 1 7 967 1289 6769 9023 1246463 8725241