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82258542 = 23223919121
BaseRepresentation
bin1001110011100…
…10101001101110
312201210011111200
410321302221232
5132024233132
612055030330
72016120552
oct471625156
9181704450
1082258542
1142484073
122366b3a6
13140713c2
14acd3862
15734cd7c
hex4e72a6e

82258542 has 24 divisors (see below), whose sum is σ = 178981920. Its totient is φ = 27303360.

The previous prime is 82258537. The next prime is 82258549. The reversal of 82258542 is 24585228.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 82258497 and 82258506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82258549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5259 + ... + 13862.

It is an arithmetic number, because the mean of its divisors is an integer number (7457580).

Almost surely, 282258542 is an apocalyptic number.

82258542 is an abundant number, since it is smaller than the sum of its proper divisors (96723378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82258542 is a wasteful number, since it uses less digits than its factorization.

82258542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19368 (or 19365 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 82258542 is about 9069.6494970864. The cubic root of 82258542 is about 434.9042674786.

The spelling of 82258542 in words is "eighty-two million, two hundred fifty-eight thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 239 478 717 1434 2151 4302 19121 38242 57363 114726 172089 344178 4569919 9139838 13709757 27419514 41129271 82258542