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5220000780 = 2235731191781
BaseRepresentation
bin1001101110010001…
…01110010000001100
3111110210100111220020
410313020232100030
541142310011110
62221550422140
7243233163111
oct46710562014
914423314806
105220000780
112239610935
121018201950
136525c9777
143773ac908
15208411d70
hex13722e40c

5220000780 has 48 divisors (see below), whose sum is σ = 14816233824. Its totient is φ = 1372930560.

The previous prime is 5220000769. The next prime is 5220000817. The reversal of 5220000780 is 870000225.

It is a self number, because there is not a number n which added to its sum of digits gives 5220000780.

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, 591511 + ... + 600270.

It is an arithmetic number, because the mean of its divisors is an integer number (308671538).

Almost surely, 25220000780 is an apocalyptic number.

It is an amenable number.

5220000780 is an abundant number, since it is smaller than the sum of its proper divisors (9596233044).

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

5220000780 is a wasteful number, since it uses less digits than its factorization.

5220000780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191866 (or 1191864 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 5220000780 is about 72249.5728707098. The cubic root of 5220000780 is about 1734.6965814672.

The spelling of 5220000780 in words is "five billion, two hundred twenty million, seven hundred eighty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73 146 219 292 365 438 730 876 1095 1460 2190 4380 1191781 2383562 3575343 4767124 5958905 7150686 11917810 14301372 17876715 23835620 35753430 71506860 87000013 174000026 261000039 348000052 435000065 522000078 870000130 1044000156 1305000195 1740000260 2610000390 5220000780