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33142125 = 35388379
BaseRepresentation
bin111111001101…
…1010101101101
32022100210110010
41332123111231
531441022000
63142203433
7551463162
oct176332555
968323403
1033142125
1117787195
12b123579
136b35233
14458a069
152d99d50
hex1f9b56d

33142125 has 16 divisors (see below), whose sum is σ = 55149120. Its totient is φ = 17675600.

The previous prime is 33142117. The next prime is 33142133. The reversal of 33142125 is 52124133.

It is an interprime number because it is at equal distance from previous prime (33142117) and next prime (33142133).

It is not a de Polignac number, because 33142125 - 23 = 33142117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43815 + ... + 44564.

It is an arithmetic number, because the mean of its divisors is an integer number (3446820).

Almost surely, 233142125 is an apocalyptic number.

It is an amenable number.

33142125 is a deficient number, since it is larger than the sum of its proper divisors (22006995).

33142125 is an equidigital number, since it uses as much as digits as its factorization.

33142125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88397 (or 88387 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 33142125 is about 5756.9197493104. The cubic root of 33142125 is about 321.2132490876.

Adding to 33142125 its reverse (52124133), we get a palindrome (85266258).

The spelling of 33142125 in words is "thirty-three million, one hundred forty-two thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 88379 265137 441895 1325685 2209475 6628425 11047375 33142125