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75652 = 2218913
BaseRepresentation
bin10010011110000100
310211202221
4102132010
54410102
61342124
7433363
oct223604
9124687
1075652
1151925
1237944
1328585
141d7da
1517637
hex12784

75652 has 6 divisors (see below), whose sum is σ = 132398. Its totient is φ = 37824.

The previous prime is 75641. The next prime is 75653. The reversal of 75652 is 25657.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 75076 + 576 = 274^2 + 24^2 .

It is not an unprimeable number, because it can be changed into a prime (75653) by changing a digit.

75652 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9453 + ... + 9460.

275652 is an apocalyptic number.

It is an amenable number.

75652 is a deficient number, since it is larger than the sum of its proper divisors (56746).

75652 is a wasteful number, since it uses less digits than its factorization.

75652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18917 (or 18915 counting only the distinct ones).

The product of its digits is 2100, while the sum is 25.

The square root of 75652 is about 275.0490865282. The cubic root of 75652 is about 42.2934848671.

It can be divided in two parts, 756 and 52, that added together give a palindrome (808).

The spelling of 75652 in words is "seventy-five thousand, six hundred fifty-two".

Divisors: 1 2 4 18913 37826 75652