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653315380 = 225193594789
BaseRepresentation
bin100110111100001…
…100110100110100
31200112022212012221
4212330030310310
52314222043010
6144454452124
722122042364
oct4674146464
91615285187
10653315380
11305863573
12162964044
13a5475063
1462aa49a4
153c54edda
hex26f0cd34

653315380 has 48 divisors (see below), whose sum is σ = 1448496000. Its totient is φ = 246830976.

The previous prime is 653315363. The next prime is 653315441. The reversal of 653315380 is 83513356.

653315380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134026 + ... + 138814.

It is an arithmetic number, because the mean of its divisors is an integer number (30177000).

Almost surely, 2653315380 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 653315380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724248000).

653315380 is an abundant number, since it is smaller than the sum of its proper divisors (795180620).

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

653315380 is a wasteful number, since it uses less digits than its factorization.

653315380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176 (or 5174 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 653315380 is about 25560.0348200076. The cubic root of 653315380 is about 867.7093836920.

The spelling of 653315380 in words is "six hundred fifty-three million, three hundred fifteen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 359 380 718 1436 1795 3590 4789 6821 7180 9578 13642 19156 23945 27284 34105 47890 68210 90991 95780 136420 181982 363964 454955 909910 1719251 1819820 3438502 6877004 8596255 17192510 32665769 34385020 65331538 130663076 163328845 326657690 653315380