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75685930 = 2519398347
BaseRepresentation
bin1001000001011…
…10000000101010
312021102020120121
410200232000222
5123333422210
611302113454
71606214455
oct440560052
9167366517
1075685930
11397a4a61
122141b88a
13128ac898
14a0a249c
1569a06da
hex482e02a

75685930 has 16 divisors (see below), whose sum is σ = 143405280. Its totient is φ = 28680912.

The previous prime is 75685927. The next prime is 75685991. The reversal of 75685930 is 3958657.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198984 + ... + 199363.

It is an arithmetic number, because the mean of its divisors is an integer number (8962830).

Almost surely, 275685930 is an apocalyptic number.

75685930 is a deficient number, since it is larger than the sum of its proper divisors (67719350).

75685930 is a wasteful number, since it uses less digits than its factorization.

75685930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398373.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 75685930 is about 8699.7660888095. The cubic root of 75685930 is about 422.9980681262.

The spelling of 75685930 in words is "seventy-five million, six hundred eighty-five thousand, nine hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 398347 796694 1991735 3983470 7568593 15137186 37842965 75685930