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8740125 = 325317457
BaseRepresentation
bin100001010101…
…110100011101
3121110001012100
4201111310131
54214141000
6511155313
7134201262
oct41256435
917401170
108740125
114a2a649
122b15b39
131a70294
141237269
15b79a00
hex855d1d

8740125 has 48 divisors (see below), whose sum is σ = 16718832. Its totient is φ = 4377600.

The previous prime is 8740117. The next prime is 8740129. The reversal of 8740125 is 5210478.

8740125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 549081 + 8191044 = 741^2 + 2862^2 .

It is not a de Polignac number, because 8740125 - 23 = 8740117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8740129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18897 + ... + 19353.

It is an arithmetic number, because the mean of its divisors is an integer number (348309).

Almost surely, 28740125 is an apocalyptic number.

8740125 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8740125 is a deficient number, since it is larger than the sum of its proper divisors (7978707).

8740125 is a wasteful number, since it uses less digits than its factorization.

8740125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 8740125 is about 2956.3702406837. The cubic root of 8740125 is about 205.9867163961.

The spelling of 8740125 in words is "eight million, seven hundred forty thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 17 25 45 51 75 85 125 153 225 255 375 425 457 765 1125 1275 1371 2125 2285 3825 4113 6375 6855 7769 11425 19125 20565 23307 34275 38845 57125 69921 102825 116535 171375 194225 349605 514125 582675 971125 1748025 2913375 8740125