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5257000 = 23537751
BaseRepresentation
bin10100000011011100101000
3100220002020201
4110003130220
52321211000
6304401544
762453350
oct24033450
910802221
105257000
112a70731
1219162b4
131120a68
149abb60
156dc96a
hex503728

5257000 has 64 divisors (see below), whose sum is σ = 14077440. Its totient is φ = 1800000.

The previous prime is 5256989. The next prime is 5257003. The reversal of 5257000 is 7525.

5257000 = T405 + T406 + ... + T460.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5257003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6625 + ... + 7375.

It is an arithmetic number, because the mean of its divisors is an integer number (219960).

Almost surely, 25257000 is an apocalyptic number.

5257000 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 5257000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7038720).

5257000 is an abundant number, since it is smaller than the sum of its proper divisors (8820440).

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

5257000 is a wasteful number, since it uses less digits than its factorization.

5257000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 5257000 is about 2292.8148638737. The cubic root of 5257000 is about 173.8785429752.

The spelling of 5257000 in words is "five million, two hundred fifty-seven thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 250 280 350 500 700 751 875 1000 1400 1502 1750 3004 3500 3755 5257 6008 7000 7510 10514 15020 18775 21028 26285 30040 37550 42056 52570 75100 93875 105140 131425 150200 187750 210280 262850 375500 525700 657125 751000 1051400 1314250 2628500 5257000