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1975125 = 35323229
BaseRepresentation
bin111100010001101010101
310201100100210
413202031111
51001201000
6110200033
722534245
oct7421525
93640323
101975125
111129a39
127b3019
13542019
14395b25
15290350
hex1e2355

1975125 has 32 divisors (see below), whose sum is σ = 3444480. Its totient is φ = 1003200.

The previous prime is 1975123. The next prime is 1975133. The reversal of 1975125 is 5215791.

It is not a de Polignac number, because 1975125 - 21 = 1975123 is a prime.

It is a super-2 number, since 2×19751252 = 7802237531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1975092 and 1975101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1975121) 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 31 ways as a sum of consecutive naturals, for example, 8511 + ... + 8739.

It is an arithmetic number, because the mean of its divisors is an integer number (107640).

21975125 is an apocalyptic number.

1975125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1975125 is a deficient number, since it is larger than the sum of its proper divisors (1469355).

1975125 is a wasteful number, since it uses less digits than its factorization.

1975125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 260 counting only the distinct ones).

The product of its digits is 3150, while the sum is 30.

The square root of 1975125 is about 1405.3914045560. The cubic root of 1975125 is about 125.4675820884.

The spelling of 1975125 in words is "one million, nine hundred seventy-five thousand, one hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 125 229 345 375 575 687 1145 1725 2875 3435 5267 5725 8625 15801 17175 26335 28625 79005 85875 131675 395025 658375 1975125