| Base | Representation |
|---|---|
| bin | 100110110000001… |
| … | …010111011010000 |
| 3 | 1200022101122102100 |
| 4 | 212300022323100 |
| 5 | 2312420134442 |
| 6 | 144303120400 |
| 7 | 22053166443 |
| oct | 4660127320 |
| 9 | 1608348370 |
| 10 | 650161872 |
| 11 | 303aaa268 |
| 12 | 1618a3100 |
| 13 | a490c889 |
| 14 | 624c365a |
| 15 | 3c12a84c |
| hex | 26c0aed0 |
650161872 has 120 divisors (see below), whose sum is σ = 1934641800. Its totient is φ = 203120640.
The previous prime is 650161843. The next prime is 650161873. The reversal of 650161872 is 278161056.
It can be written as a sum of positive squares in 4 ways, for example, as 54997056 + 595164816 = 7416^2 + 24396^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (650161873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 853972 + ... + 854732.
It is an arithmetic number, because the mean of its divisors is an integer number (16122015).
Almost surely, 2650161872 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 650161872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967320900).
650161872 is an abundant number, since it is smaller than the sum of its proper divisors (1284479928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
650161872 is a wasteful number, since it uses less digits than its factorization.
650161872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1141 (or 1132 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 650161872 is about 25498.2719414473. The cubic root of 650161872 is about 866.3110069913.
It can be divided in two parts, 6501618 and 72, that multiplied together give a square (468116496 = 216362).
The spelling of 650161872 in words is "six hundred fifty million, one hundred sixty-one thousand, eight hundred seventy-two".
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