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825250050 = 232524144729
BaseRepresentation
bin110001001100000…
…101000100000010
32010111212001020200
4301030011010002
53142231000200
6213515550030
726310336552
oct6114050402
92114761220
10825250050
11393917639
121b045b316
13101c83b51
147b85d162
154c6b3800
hex31305102

825250050 has 72 divisors (see below), whose sum is σ = 2271299940. Its totient is φ = 214694400.

The previous prime is 825250033. The next prime is 825250061. The reversal of 825250050 is 50052528.

It can be written as a sum of positive squares in 6 ways, for example, as 193682889 + 631567161 = 13917^2 + 25131^2 .

It is a junction number, because it is equal to n+sod(n) for n = 825249996 and 825250023.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3915 + ... + 40814.

Almost surely, 2825250050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 825250050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135649970).

825250050 is an abundant number, since it is smaller than the sum of its proper divisors (1446049890).

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

825250050 is a wasteful number, since it uses less digits than its factorization.

825250050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44788 (or 44780 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 825250050 is about 28727.1657147029. The cubic root of 825250050 is about 937.9834732943.

The spelling of 825250050 in words is "eight hundred twenty-five million, two hundred fifty thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 41 45 50 75 82 90 123 150 205 225 246 369 410 450 615 738 1025 1230 1845 2050 3075 3690 6150 9225 18450 44729 89458 134187 223645 268374 402561 447290 670935 805122 1118225 1341870 1833889 2012805 2236450 3354675 3667778 4025610 5501667 6709350 9169445 10064025 11003334 16505001 18338890 20128050 27508335 33010002 45847225 55016670 82525005 91694450 137541675 165050010 275083350 412625025 825250050