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83676447 = 3215759219
BaseRepresentation
bin1001111110011…
…00110100011111
312211110012111200
410333030310133
5132410121242
612145250543
72034144441
oct477146437
9184405450
1083676447
1143262398
1224033a53
13144498ba
14b182491
15752d04c
hex4fccd1f

83676447 has 12 divisors (see below), whose sum is σ = 121637880. Its totient is φ = 55428048.

The previous prime is 83676421. The next prime is 83676457. The reversal of 83676447 is 74467638.

It is not a de Polignac number, because 83676447 - 27 = 83676319 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83676407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28197 + ... + 31022.

It is an arithmetic number, because the mean of its divisors is an integer number (10136490).

Almost surely, 283676447 is an apocalyptic number.

83676447 is a deficient number, since it is larger than the sum of its proper divisors (37961433).

83676447 is a wasteful number, since it uses less digits than its factorization.

83676447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59382 (or 59379 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 83676447 is about 9147.4830964588. The cubic root of 83676447 is about 437.3888862858.

The spelling of 83676447 in words is "eighty-three million, six hundred seventy-six thousand, four hundred forty-seven".

Divisors: 1 3 9 157 471 1413 59219 177657 532971 9297383 27892149 83676447