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7540125 = 35320107
BaseRepresentation
bin11100110000110110011101
3112012002002220
4130300312131
53412241000
6425335553
7121042605
oct34606635
915162086
107540125
11429000a
1226375b9
131740018
141003c05
159de1a0
hex730d9d

7540125 has 16 divisors (see below), whose sum is σ = 12547392. Its totient is φ = 4021200.

The previous prime is 7540111. The next prime is 7540133. The reversal of 7540125 is 5210457.

It is not a de Polignac number, because 7540125 - 28 = 7539869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7540095 and 7540104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9679 + ... + 10428.

It is an arithmetic number, because the mean of its divisors is an integer number (784212).

Almost surely, 27540125 is an apocalyptic number.

7540125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7540125 is a deficient number, since it is larger than the sum of its proper divisors (5007267).

7540125 is a wasteful number, since it uses less digits than its factorization.

7540125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20125 (or 20115 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 7540125 is about 2745.9288046124. The cubic root of 7540125 is about 196.0918370818.

The spelling of 7540125 in words is "seven million, five hundred forty thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 20107 60321 100535 301605 502675 1508025 2513375 7540125