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82054243 = 4119710159
BaseRepresentation
bin1001110010000…
…00110001100011
312201101210021001
410321000301203
5132001213433
612050412431
72014310125
oct471006143
9181353231
1082054243
1142354627
1223591117
1313ccc40b
14ac7d215
15730c57d
hex4e40c63

82054243 has 8 divisors (see below), whose sum is σ = 84490560. Its totient is φ = 79638720.

The previous prime is 82054237. The next prime is 82054261. The reversal of 82054243 is 34245028.

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

It is a cyclic number.

It is not a de Polignac number, because 82054243 - 213 = 82046051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82054043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2998 + ... + 13156.

It is an arithmetic number, because the mean of its divisors is an integer number (10561320).

Almost surely, 282054243 is an apocalyptic number.

82054243 is a deficient number, since it is larger than the sum of its proper divisors (2436317).

82054243 is a wasteful number, since it uses less digits than its factorization.

82054243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10397.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 82054243 is about 9058.3797116261. The cubic root of 82054243 is about 434.5439232784.

The spelling of 82054243 in words is "eighty-two million, fifty-four thousand, two hundred forty-three".

Divisors: 1 41 197 8077 10159 416519 2001323 82054243