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5257140 = 2235712517
BaseRepresentation
bin10100000011011110110100
3100220002102220
4110003132310
52321212030
6304402340
762453640
oct24033664
910802386
105257140
112a70849
1219163b0
131120b45
149abc20
156dca10
hex5037b4

5257140 has 48 divisors (see below), whose sum is σ = 16824192. Its totient is φ = 1201536.

The previous prime is 5257121. The next prime is 5257157. The reversal of 5257140 is 417525.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5257140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5839 + ... + 6678.

It is an arithmetic number, because the mean of its divisors is an integer number (350504).

Almost surely, 25257140 is an apocalyptic number.

It is an amenable number.

5257140 is an abundant number, since it is smaller than the sum of its proper divisors (11567052).

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

5257140 is a wasteful number, since it uses less digits than its factorization.

5257140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536 (or 12534 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 5257140 is about 2292.8453938284. The cubic root of 5257140 is about 173.8800864905.

The spelling of 5257140 in words is "five million, two hundred fifty-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 12517 25034 37551 50068 62585 75102 87619 125170 150204 175238 187755 250340 262857 350476 375510 438095 525714 751020 876190 1051428 1314285 1752380 2628570 5257140