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652433020 = 225194393911
BaseRepresentation
bin100110111000110…
…101011001111100
31200110200000211221
4212320311121330
52314010324040
6144423523124
722111406041
oct4670653174
91613600757
10652433020
11305310648
121625b94a4
13a5226555
14629151c8
153c42874a
hex26e3567c

652433020 has 48 divisors (see below), whose sum is σ = 1445875200. Its totient is φ = 246611520.

The previous prime is 652433009. The next prime is 652433027. The reversal of 652433020 is 20334256.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652433027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164865 + ... + 168775.

It is an arithmetic number, because the mean of its divisors is an integer number (30122400).

Almost surely, 2652433020 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 652433020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722937600).

652433020 is an abundant number, since it is smaller than the sum of its proper divisors (793442180).

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

652433020 is a wasteful number, since it uses less digits than its factorization.

652433020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378 (or 4376 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 652433020 is about 25542.7684482321. The cubic root of 652433020 is about 867.3185683632.

Adding to 652433020 its reverse (20334256), we get a palindrome (672767276).

The spelling of 652433020 in words is "six hundred fifty-two million, four hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 439 878 1756 2195 3911 4390 7822 8341 8780 15644 16682 19555 33364 39110 41705 74309 78220 83410 148618 166820 297236 371545 743090 1486180 1716929 3433858 6867716 8584645 17169290 32621651 34338580 65243302 130486604 163108255 326216510 652433020