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75292 = 2272689
BaseRepresentation
bin10010011000011100
310211021121
4102120130
54402132
61340324
7432340
oct223034
9124247
1075292
1151628
12376a4
1328369
141d620
1517497
hex1261c

75292 has 12 divisors (see below), whose sum is σ = 150640. Its totient is φ = 32256.

The previous prime is 75289. The next prime is 75307. The reversal of 75292 is 29257.

75292 is an admirable number.

It is a congruent number.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 1317 + ... + 1372.

275292 is an apocalyptic number.

It is an amenable number.

75292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75320).

75292 is a wasteful number, since it uses less digits than its factorization.

75292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2698 counting only the distinct ones).

The product of its digits is 1260, while the sum is 25.

The square root of 75292 is about 274.3938774827. The cubic root of 75292 is about 42.2262918002.

The spelling of 75292 in words is "seventy-five thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 28 2689 5378 10756 18823 37646 75292