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82549245 = 3519128813
BaseRepresentation
bin1001110101110…
…01100111111101
312202022221021110
410322321213331
5132113033440
612105152233
72021441232
oct472714775
9182287243
1082549245
1142662519
122378b679
131414380c
14ad6b789
1573a9080
hex4eb99fd

82549245 has 16 divisors (see below), whose sum is σ = 132774912. Its totient is φ = 43794240.

The previous prime is 82549241. The next prime is 82549253. The reversal of 82549245 is 54294528.

It is not a de Polignac number, because 82549245 - 22 = 82549241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82549241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11542 + ... + 17271.

It is an arithmetic number, because the mean of its divisors is an integer number (8298432).

Almost surely, 282549245 is an apocalyptic number.

It is an amenable number.

82549245 is a deficient number, since it is larger than the sum of its proper divisors (50225667).

82549245 is a wasteful number, since it uses less digits than its factorization.

82549245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29012.

The product of its digits is 115200, while the sum is 39.

The square root of 82549245 is about 9085.6615059114. The cubic root of 82549245 is about 435.4159846859.

The spelling of 82549245 in words is "eighty-two million, five hundred forty-nine thousand, two hundred forty-five".

Divisors: 1 3 5 15 191 573 955 2865 28813 86439 144065 432195 5503283 16509849 27516415 82549245