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82003151 = 270730293
BaseRepresentation
bin1001110001101…
…00010011001111
312201022012011202
410320310103033
5131443100101
612045340115
72014005146
oct470642317
9181265152
1082003151
114231a1aa
122356763b
1313cb2099
14ac6875d
1572ec36b
hex4e344cf

82003151 has 4 divisors (see below), whose sum is σ = 82036152. Its totient is φ = 81970152.

The previous prime is 82003147. The next prime is 82003169. The reversal of 82003151 is 15130028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82003151 - 22 = 82003147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82003111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12440 + ... + 17853.

It is an arithmetic number, because the mean of its divisors is an integer number (20509038).

Almost surely, 282003151 is an apocalyptic number.

82003151 is a deficient number, since it is larger than the sum of its proper divisors (33001).

82003151 is a wasteful number, since it uses less digits than its factorization.

82003151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33000.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 82003151 is about 9055.5591213354. The cubic root of 82003151 is about 434.4537133272.

Adding to 82003151 its reverse (15130028), we get a palindrome (97133179).

The spelling of 82003151 in words is "eighty-two million, three thousand, one hundred fifty-one".

Divisors: 1 2707 30293 82003151