Search a number
-
+
8285650420 = 2251133739829
BaseRepresentation
bin1111011011101110…
…01111110111110100
3210101102220122121111
413231313033313310
5113432111303140
63450102124404
7412216603135
oct75567176764
923342818544
108285650420
113572040883
121732a20704
13a20788638
145885c3c8c
153376227ea
hex1eddcfdf4

8285650420 has 48 divisors (see below), whose sum is σ = 17602698960. Its totient is φ = 3275790336.

The previous prime is 8285650411. The next prime is 8285650421. The reversal of 8285650420 is 240565828.

It can be written as a sum of positive squares in 8 ways, for example, as 148888804 + 8136761616 = 12202^2 + 90204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8285650421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838066 + ... + 847894.

It is an arithmetic number, because the mean of its divisors is an integer number (366722895).

Almost surely, 28285650420 is an apocalyptic number.

It is an amenable number.

8285650420 is an abundant number, since it is smaller than the sum of its proper divisors (9317048540).

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

8285650420 is a wasteful number, since it uses less digits than its factorization.

8285650420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10324 (or 10322 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 8285650420 is about 91025.5481719281. The cubic root of 8285650420 is about 2023.5263714552.

The spelling of 8285650420 in words is "eight billion, two hundred eighty-five million, six hundred fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 373 452 565 746 1130 1492 1865 2260 3730 7460 9829 19658 39316 42149 49145 84298 98290 168596 196580 210745 421490 842980 1110677 2221354 3666217 4442708 5553385 7332434 11106770 14664868 18331085 22213540 36662170 73324340 414282521 828565042 1657130084 2071412605 4142825210 8285650420