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82825146 = 2331533799
BaseRepresentation
bin1001110111111…
…00111110111010
312202211221202000
410323330332322
5132200401041
612115121430
72024000505
oct473747672
9182757660
1082825146
1142830838
12238a3276
131420c281
14b00013c
157410bb6
hex4efcfba

82825146 has 16 divisors (see below), whose sum is σ = 184056000. Its totient is φ = 27608364.

The previous prime is 82825133. The next prime is 82825147. The reversal of 82825146 is 64152828.

It is a super-4 number, since 4×828251464 (a number of 33 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82825146.

It is not an unprimeable number, because it can be changed into a prime (82825147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766846 + ... + 766953.

It is an arithmetic number, because the mean of its divisors is an integer number (11503500).

Almost surely, 282825146 is an apocalyptic number.

82825146 is an abundant number, since it is smaller than the sum of its proper divisors (101230854).

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

82825146 is a wasteful number, since it uses less digits than its factorization.

82825146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533810 (or 1533804 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 82825146 is about 9100.8321597533. The cubic root of 82825146 is about 435.9005363271.

The spelling of 82825146 in words is "eighty-two million, eight hundred twenty-five thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 1533799 3067598 4601397 9202794 13804191 27608382 41412573 82825146