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75285342 = 23311126743
BaseRepresentation
bin1000111110011…
…00001101011110
312020122220002000
410133030031132
5123233112332
611245343130
71602625536
oct437141536
9166586060
1075285342
1139550aa0
1221267aa6
131279c452
149dda4c6
156921b7c
hex47cc35e

75285342 has 32 divisors (see below), whose sum is σ = 182511360. Its totient is φ = 22813560.

The previous prime is 75285317. The next prime is 75285349. The reversal of 75285342 is 24358257.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 75285297 and 75285306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75285349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62778 + ... + 63965.

It is an arithmetic number, because the mean of its divisors is an integer number (5703480).

Almost surely, 275285342 is an apocalyptic number.

75285342 is an abundant number, since it is smaller than the sum of its proper divisors (107226018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75285342 is a wasteful number, since it uses less digits than its factorization.

75285342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126765 (or 126759 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 75285342 is about 8676.7126263349. The cubic root of 75285342 is about 422.2504708657.

The spelling of 75285342 in words is "seventy-five million, two hundred eighty-five thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 126743 253486 380229 760458 1140687 1394173 2281374 2788346 3422061 4182519 6844122 8365038 12547557 25095114 37642671 75285342