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5251980560 = 245459714281
BaseRepresentation
bin1001110010000101…
…01101110100010000
3111120000112020220112
410321002231310100
541224001334220
62225052100452
7244102045451
oct47102556420
914500466815
105251980560
112255673802
121026a64728
13659115908
1437b735128
1520b12c5c5
hex1390add10

5251980560 has 40 divisors (see below), whose sum is σ = 12214366296. Its totient is φ = 2100188160.

The previous prime is 5251980557. The next prime is 5251980571. The reversal of 5251980560 is 650891525.

It can be written as a sum of positive squares in 4 ways, for example, as 525143056 + 4726837504 = 22916^2 + 68752^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360620 + ... + 374900.

Almost surely, 25251980560 is an apocalyptic number.

It is an amenable number.

5251980560 is an abundant number, since it is smaller than the sum of its proper divisors (6962385736).

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

5251980560 is a wasteful number, since it uses less digits than its factorization.

5251980560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18891 (or 18885 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The square root of 5251980560 is about 72470.5496046497. The cubic root of 5251980560 is about 1738.2318498652.

The spelling of 5251980560 in words is "five billion, two hundred fifty-one million, nine hundred eighty thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 4597 9194 14281 18388 22985 28562 36776 45970 57124 71405 73552 91940 114248 142810 183880 228496 285620 367760 571240 1142480 65649757 131299514 262599028 328248785 525198056 656497570 1050396112 1312995140 2625990280 5251980560