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75000002 = 2711487013
BaseRepresentation
bin1000111100001…
…10100011000010
312020010101122212
410132012203002
5123200000002
611235302122
71600326620
oct436064302
9166111585
1075000002
1139376680
122114a942
13126cc5cc
149d64510
1568b7352
hex47868c2

75000002 has 16 divisors (see below), whose sum is σ = 140260032. Its totient is φ = 29220720.

The previous prime is 74999959. The next prime is 75000007. The reversal of 75000002 is 20000057.

75000002 = 49992 + 50002 + 50012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (75000007) 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 7 ways as a sum of consecutive naturals, for example, 243353 + ... + 243660.

It is an arithmetic number, because the mean of its divisors is an integer number (8766252).

Almost surely, 275000002 is an apocalyptic number.

75000002 is a deficient number, since it is larger than the sum of its proper divisors (65260030).

75000002 is a wasteful number, since it uses less digits than its factorization.

75000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487033.

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 75000002 is about 8660.2541533144. The cubic root of 75000002 is about 421.7163363995.

Adding to 75000002 its reverse (20000057), we get a palindrome (95000059).

Subtracting from 75000002 its reverse (20000057), we obtain a palindrome (54999945).

The spelling of 75000002 in words is "seventy-five million, two", and thus it is an aban number and an uban number.

Divisors: 1 2 7 11 14 22 77 154 487013 974026 3409091 5357143 6818182 10714286 37500001 75000002