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8725342 = 24362671
BaseRepresentation
bin100001010010…
…001101011110
3121102021220211
4201102031132
54213202332
6511003034
7134110213
oct41221536
917367824
108725342
114a1a52a
122b0947a
131a66632
141231b0a
15b75447
hex85235e

8725342 has 4 divisors (see below), whose sum is σ = 13088016. Its totient is φ = 4362670.

The previous prime is 8725319. The next prime is 8725357. The reversal of 8725342 is 2435278.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×87253422 = 152263186033928, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2181334 + ... + 2181337.

It is an arithmetic number, because the mean of its divisors is an integer number (3272004).

Almost surely, 28725342 is an apocalyptic number.

8725342 is a deficient number, since it is larger than the sum of its proper divisors (4362674).

8725342 is a wasteful number, since it uses less digits than its factorization.

8725342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362673.

The product of its digits is 13440, while the sum is 31.

The square root of 8725342 is about 2953.8689882932. The cubic root of 8725342 is about 205.8705159197.

Subtracting from 8725342 its reverse (2435278), we obtain a square (6290064 = 25082).

The spelling of 8725342 in words is "eight million, seven hundred twenty-five thousand, three hundred forty-two".

Divisors: 1 2 4362671 8725342