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825437982 = 23137572997
BaseRepresentation
bin110001001100110…
…010111100011110
32010112012121001010
4301030302330132
53142303003412
6213524000050
726312051505
oct6114627436
92115177033
10825437982
11393a35856
121b0530026
1310201b555
147b8ab83c
154c6ee33c
hex31332f1e

825437982 has 8 divisors (see below), whose sum is σ = 1650875976. Its totient is φ = 275145992.

The previous prime is 825437959. The next prime is 825437999. The reversal of 825437982 is 289734528.

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

825437982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68786493 + ... + 68786504.

It is an arithmetic number, because the mean of its divisors is an integer number (206359497).

Almost surely, 2825437982 is an apocalyptic number.

825437982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

825437982 is a wasteful number, since it uses less digits than its factorization.

825437982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137573002.

The product of its digits is 967680, while the sum is 48.

The square root of 825437982 is about 28730.4365090404. The cubic root of 825437982 is about 938.0546693844.

It can be divided in two parts, 82543 and 7982, that added together give a triangular number (90525 = T425).

The spelling of 825437982 in words is "eight hundred twenty-five million, four hundred thirty-seven thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 137572997 275145994 412718991 825437982