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82225371 = 327408457
BaseRepresentation
bin1001110011010…
…10100011011011
312201201111000010
410321222203123
5132022202441
612054213003
72015622054
oct471524333
9181644003
1082225371
1142461158
1223654163
131405c287
14acc572b
157343116
hex4e6a8db

82225371 has 4 divisors (see below), whose sum is σ = 109633832. Its totient is φ = 54816912.

The previous prime is 82225357. The next prime is 82225373. The reversal of 82225371 is 17352228.

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

It is not a de Polignac number, because 82225371 - 26 = 82225307 is a prime.

It is a super-2 number, since 2×822253712 = 13522023272175282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82225373) 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, 13704226 + ... + 13704231.

It is an arithmetic number, because the mean of its divisors is an integer number (27408458).

Almost surely, 282225371 is an apocalyptic number.

82225371 is a deficient number, since it is larger than the sum of its proper divisors (27408461).

82225371 is a wasteful number, since it uses less digits than its factorization.

82225371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27408460.

The product of its digits is 6720, while the sum is 30.

The square root of 82225371 is about 9067.8206312212. The cubic root of 82225371 is about 434.8458008089.

Adding to 82225371 its reverse (17352228), we get a palindrome (99577599).

The spelling of 82225371 in words is "eighty-two million, two hundred twenty-five thousand, three hundred seventy-one".

Divisors: 1 3 27408457 82225371