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82033291 = 1091495051
BaseRepresentation
bin1001110001110…
…11101010001011
312201100201112001
410320323222023
5132000031131
612050131431
72014162054
oct470735213
9181321461
1082033291
114233a90a
1223580b77
1313cc2a12
14ac7572b
157306261
hex4e3ba8b

82033291 has 8 divisors (see below), whose sum is σ = 83358000. Its totient is φ = 80719200.

The previous prime is 82033277. The next prime is 82033307. The reversal of 82033291 is 19233028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82033291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82033201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13716 + ... + 18766.

It is an arithmetic number, because the mean of its divisors is an integer number (10419750).

Almost surely, 282033291 is an apocalyptic number.

82033291 is a deficient number, since it is larger than the sum of its proper divisors (1324709).

82033291 is a wasteful number, since it uses less digits than its factorization.

82033291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 82033291 is about 9057.2231395721. The cubic root of 82033291 is about 434.5069341722.

The spelling of 82033291 in words is "eighty-two million, thirty-three thousand, two hundred ninety-one".

Divisors: 1 109 149 5051 16241 550559 752599 82033291