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82113051 = 376935593
BaseRepresentation
bin1001110010011…
…11001000011011
312201111202221010
410321033020123
5132010104201
612051545003
72014643436
oct471171033
9181452833
1082113051
1142394829
12235bb163
1314020107
14ac9681d
15731ebd6
hex4e4f21b

82113051 has 8 divisors (see below), whose sum is σ = 109629520. Its totient is φ = 54669312.

The previous prime is 82113023. The next prime is 82113061. The reversal of 82113051 is 15031128.

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

It is not a de Polignac number, because 82113051 - 29 = 82112539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82113061) 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, 15490 + ... + 20103.

It is an arithmetic number, because the mean of its divisors is an integer number (13703690).

Almost surely, 282113051 is an apocalyptic number.

82113051 is a deficient number, since it is larger than the sum of its proper divisors (27516469).

82113051 is a wasteful number, since it uses less digits than its factorization.

82113051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36365.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 82113051 is about 9061.6251853627. The cubic root of 82113051 is about 434.6477105438.

Adding to 82113051 its reverse (15031128), we get a palindrome (97144179).

The spelling of 82113051 in words is "eighty-two million, one hundred thirteen thousand, fifty-one".

Divisors: 1 3 769 2307 35593 106779 27371017 82113051