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82552487 = 85396779
BaseRepresentation
bin1001110101110…
…10011010100111
312202100002201112
410322322122213
5132113134422
612105215235
72021453543
oct472723247
9182302645
1082552487
11426649a6
122379151b
1314145134
14ad6ca23
1573a9ee2
hex4eba6a7

82552487 has 4 divisors (see below), whose sum is σ = 82650120. Its totient is φ = 82454856.

The previous prime is 82552453. The next prime is 82552507. The reversal of 82552487 is 78425528.

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 82552487 - 26 = 82552423 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 (82552417) 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, 47537 + ... + 49242.

It is an arithmetic number, because the mean of its divisors is an integer number (20662530).

Almost surely, 282552487 is an apocalyptic number.

82552487 is a deficient number, since it is larger than the sum of its proper divisors (97633).

82552487 is an equidigital number, since it uses as much as digits as its factorization.

82552487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97632.

The product of its digits is 179200, while the sum is 41.

The square root of 82552487 is about 9085.8399171458. The cubic root of 82552487 is about 435.4216847184.

The spelling of 82552487 in words is "eighty-two million, five hundred fifty-two thousand, four hundred eighty-seven".

Divisors: 1 853 96779 82552487