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806648706 = 23931661
BaseRepresentation
bin110000000101000…
…111101110000010
32002012212000000000
4300011013232002
53123000224311
6212013140430
725663254333
oct6005075602
92065760000
10806648706
11384372126
121a618a716
13cb170236
14791ba28a
154ac3c056
hex30147b82

806648706 has 80 divisors (see below), whose sum is σ = 1876309248. Its totient is φ = 259815600.

The previous prime is 806648693. The next prime is 806648707. The reversal of 806648706 is 607846608.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (806648707) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1220016 + ... + 1220676.

Almost surely, 2806648706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806648706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938154624).

806648706 is an abundant number, since it is smaller than the sum of its proper divisors (1069660542).

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

806648706 is an frugal number, since it uses more digits than its factorization.

806648706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 806648706 is about 28401.5616824146. The cubic root of 806648706 is about 930.8823883275.

The spelling of 806648706 in words is "eight hundred six million, six hundred forty-eight thousand, seven hundred six".

Divisors: 1 2 3 6 9 18 27 31 54 62 81 93 162 186 243 279 486 558 661 729 837 1322 1458 1674 1983 2187 2511 3966 4374 5022 5949 6561 7533 11898 13122 15066 17847 19683 20491 22599 35694 39366 40982 45198 53541 61473 67797 107082 122946 135594 160623 184419 203391 321246 368838 406782 481869 553257 610173 963738 1106514 1220346 1445607 1659771 2891214 3319542 4336821 4979313 8673642 9958626 13010463 14937939 26020926 29875878 44813817 89627634 134441451 268882902 403324353 806648706