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75205332 = 22322089037
BaseRepresentation
bin1000111101110…
…00101011010100
312020111211022200
410132320223110
5123223032312
611243524500
71602143346
oct436705324
9166454280
1075205332
11394a6974
1221229730
1312771bc7
149db9296
1569080dc
hex47b8ad4

75205332 has 18 divisors (see below), whose sum is σ = 190102458. Its totient is φ = 25068432.

The previous prime is 75205309. The next prime is 75205343. The reversal of 75205332 is 23350257.

It can be written as a sum of positive squares in only one way, i.e., 39992976 + 35212356 = 6324^2 + 5934^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×752053322 = 11311683922460448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75205296 and 75205305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1044483 + ... + 1044554.

Almost surely, 275205332 is an apocalyptic number.

It is an amenable number.

75205332 is an abundant number, since it is smaller than the sum of its proper divisors (114897126).

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

75205332 is a wasteful number, since it uses less digits than its factorization.

75205332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089047 (or 2089042 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 75205332 is about 8672.1007835472. The cubic root of 75205332 is about 422.1008346749.

Adding to 75205332 its reverse (23350257), we get a palindrome (98555589).

The spelling of 75205332 in words is "seventy-five million, two hundred five thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 2089037 4178074 6267111 8356148 12534222 18801333 25068444 37602666 75205332