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75704227 = 192209707
BaseRepresentation
bin1001000001100…
…10011110100011
312021110011200021
410200302132203
5123340013402
611302334311
71606322014
oct440623643
9167404607
1075704227
1139807785
122142a397
13128b8001
14a0a900b
1569a5d37
hex48327a3

75704227 has 6 divisors (see below), whose sum is σ = 79898748. Its totient is φ = 71719452.

The previous prime is 75704221. The next prime is 75704243. The reversal of 75704227 is 72240757.

It is not a de Polignac number, because 75704227 - 23 = 75704219 is a prime.

It is a super-2 number, since 2×757042272 = 11462259971335058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75704192 and 75704201.

It is not an unprimeable number, because it can be changed into a prime (75704221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104493 + ... + 105214.

It is an arithmetic number, because the mean of its divisors is an integer number (13316458).

Almost surely, 275704227 is an apocalyptic number.

75704227 is a deficient number, since it is larger than the sum of its proper divisors (4194521).

75704227 is a wasteful number, since it uses less digits than its factorization.

75704227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209745 (or 209726 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 75704227 is about 8700.8176052599. The cubic root of 75704227 is about 423.0321518370.

The spelling of 75704227 in words is "seventy-five million, seven hundred four thousand, two hundred twenty-seven".

Divisors: 1 19 361 209707 3984433 75704227