Search a number
-
+
650576420 = 225133477211
BaseRepresentation
bin100110110001110…
…000001000100100
31200100011201001222
4212301300020210
52313021421140
6144320035512
722056544154
oct4661601044
91610151058
10650576420
1130426276a
12161a62b98
13a4a26480
1462590764
153c1ad5b5
hex26c70224

650576420 has 48 divisors (see below), whose sum is σ = 1475748288. Its totient is φ = 239487360.

The previous prime is 650576351. The next prime is 650576429. The reversal of 650576420 is 24675056.

650576420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (650576429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86615 + ... + 93825.

It is an arithmetic number, because the mean of its divisors is an integer number (30744756).

Almost surely, 2650576420 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 650576420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737874144).

650576420 is an abundant number, since it is smaller than the sum of its proper divisors (825171868).

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

650576420 is a wasteful number, since it uses less digits than its factorization.

650576420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580 (or 7578 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 650576420 is about 25506.3995891227. The cubic root of 650576420 is about 866.4950899663.

The spelling of 650576420 in words is "six hundred fifty million, five hundred seventy-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 347 694 1388 1735 3470 4511 6940 7211 9022 14422 18044 22555 28844 36055 45110 72110 90220 93743 144220 187486 374972 468715 937430 1874860 2502217 5004434 10008868 12511085 25022170 32528821 50044340 65057642 130115284 162644105 325288210 650576420