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5257750000 = 245621031
BaseRepresentation
bin1001110010110001…
…01110010111110000
3111120102101101002111
410321120232113300
541231441000000
62225415455104
7244202065126
oct47130562760
914512341074
105257750000
112258954438
121028987494
1365a385999
1437c3d7916
1520b8bbcba
hex13962e5f0

5257750000 has 70 divisors (see below), whose sum is σ = 12734055752. Its totient is φ = 2103000000.

The previous prime is 5257749997. The next prime is 5257750049. The reversal of 5257750000 is 577525.

It is a congruent number.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 239485 + ... + 260515.

Almost surely, 25257750000 is an apocalyptic number.

5257750000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5257750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6367027876).

5257750000 is an abundant number, since it is smaller than the sum of its proper divisors (7476305752).

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

5257750000 is an frugal number, since it uses more digits than its factorization.

5257750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21069 (or 21038 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 5257750000 is about 72510.3440896539. The cubic root of 5257750000 is about 1738.8681148736.

The spelling of 5257750000 in words is "five billion, two hundred fifty-seven million, seven hundred fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 3125 5000 6250 10000 12500 15625 21031 25000 31250 42062 50000 62500 84124 105155 125000 168248 210310 250000 336496 420620 525775 841240 1051550 1682480 2103100 2628875 4206200 5257750 8412400 10515500 13144375 21031000 26288750 42062000 52577500 65721875 105155000 131443750 210310000 262887500 328609375 525775000 657218750 1051550000 1314437500 2628875000 5257750000