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82074511 = 233568457
BaseRepresentation
bin1001110010001…
…01101110001111
312201102211001201
410321011232033
5132002341021
612051050331
72014423201
oct471055617
9181384051
1082074511
1142368882
12235a09a7
13140086cc
14ac86771
157313591
hex4e45b8f

82074511 has 4 divisors (see below), whose sum is σ = 85642992. Its totient is φ = 78506032.

The previous prime is 82074479. The next prime is 82074527. The reversal of 82074511 is 11547028.

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 82074511 - 25 = 82074479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82074511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82074541) 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, 1784206 + ... + 1784251.

It is an arithmetic number, because the mean of its divisors is an integer number (21410748).

Almost surely, 282074511 is an apocalyptic number.

82074511 is a deficient number, since it is larger than the sum of its proper divisors (3568481).

82074511 is a wasteful number, since it uses less digits than its factorization.

82074511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568480.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 82074511 is about 9059.4983856724. The cubic root of 82074511 is about 434.5796988453.

The spelling of 82074511 in words is "eighty-two million, seventy-four thousand, five hundred eleven".

Divisors: 1 23 3568457 82074511