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75412083 = 3199971327
BaseRepresentation
bin1000111111010…
…11001001110011
312020220022221010
410133223021303
5123301141313
611252202003
71603664205
oct437531163
9166808833
1075412083
113962823a
1221309303
1312815046
14a030775
1569494c3
hex47eb273

75412083 has 16 divisors (see below), whose sum is σ = 106027520. Its totient is φ = 47545056.

The previous prime is 75412069. The next prime is 75412091. The reversal of 75412083 is 38021457.

It is not a de Polignac number, because 75412083 - 28 = 75411827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75412083.

It is not an unprimeable number, because it can be changed into a prime (75412013) 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, 56166 + ... + 57492.

It is an arithmetic number, because the mean of its divisors is an integer number (6626720).

Almost surely, 275412083 is an apocalyptic number.

75412083 is a deficient number, since it is larger than the sum of its proper divisors (30615437).

75412083 is a wasteful number, since it uses less digits than its factorization.

75412083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 75412083 is about 8684.0130700040. The cubic root of 75412083 is about 422.4872874109.

The spelling of 75412083 in words is "seventy-five million, four hundred twelve thousand, eighty-three".

Divisors: 1 3 19 57 997 1327 2991 3981 18943 25213 56829 75639 1323019 3969057 25137361 75412083