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827947952 = 241319383547
BaseRepresentation
bin110001010110010…
…111101110110000
32010200221010001222
4301112113232300
53143423313302
6214053444212
726342304266
oct6126275660
92120833058
10827947952
1139539a607
121b1340668
131026b9b40
147bd62436
154ca47da2
hex31597bb0

827947952 has 80 divisors (see below), whose sum is σ = 1826549760. Its totient is φ = 360412416.

The previous prime is 827947943. The next prime is 827947961. The reversal of 827947952 is 259749728.

It is an interprime number because it is at equal distance from previous prime (827947943) and next prime (827947961).

It is a super-2 number, since 2×8279479522 = 1370995622441988608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 827947894 and 827947903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513343 + ... + 1513889.

It is an arithmetic number, because the mean of its divisors is an integer number (22831872).

Almost surely, 2827947952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 827947952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913274880).

827947952 is an abundant number, since it is smaller than the sum of its proper divisors (998601808).

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

827947952 is a wasteful number, since it uses less digits than its factorization.

827947952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 964 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 827947952 is about 28774.0847291447. The cubic root of 827947952 is about 939.0045112315.

The spelling of 827947952 in words is "eight hundred twenty-seven million, nine hundred forty-seven thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 13 16 19 26 38 52 76 104 152 208 247 304 383 494 547 766 988 1094 1532 1976 2188 3064 3952 4376 4979 6128 7111 7277 8752 9958 10393 14222 14554 19916 20786 28444 29108 39832 41572 56888 58216 79664 83144 94601 113776 116432 135109 166288 189202 209501 270218 378404 419002 540436 756808 838004 1080872 1513616 1676008 2161744 2723513 3352016 3980519 5447026 7961038 10894052 15922076 21788104 31844152 43576208 51746747 63688304 103493494 206986988 413973976 827947952