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5257008 = 243343283
BaseRepresentation
bin10100000011011100110000
3100220002021000
4110003130300
52321211013
6304402000
762453361
oct24033460
910802230
105257008
112a70739
121916300
131120a73
149abb68
156dc973
hex503730

5257008 has 80 divisors (see below), whose sum is σ = 15495040. Its totient is φ = 1705536.

The previous prime is 5257003. The next prime is 5257009. The reversal of 5257008 is 8007525.

It is a happy number.

It is a super-2 number, since 2×52570082 = 55272266224128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 18435 + ... + 18717.

It is an arithmetic number, because the mean of its divisors is an integer number (193688).

Almost surely, 25257008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5257008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7747520).

5257008 is an abundant number, since it is smaller than the sum of its proper divisors (10238032).

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

5257008 is a wasteful number, since it uses less digits than its factorization.

5257008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 5257008 is about 2292.8166084535. The cubic root of 5257008 is about 173.8786311768.

The spelling of 5257008 in words is "five million, two hundred fifty-seven thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 43 48 54 72 86 108 129 144 172 216 258 283 344 387 432 516 566 688 774 849 1032 1132 1161 1548 1698 2064 2264 2322 2547 3096 3396 4528 4644 5094 6192 6792 7641 9288 10188 12169 13584 15282 18576 20376 24338 30564 36507 40752 48676 61128 73014 97352 109521 122256 146028 194704 219042 292056 328563 438084 584112 657126 876168 1314252 1752336 2628504 5257008