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5251288 = 237791187
BaseRepresentation
bin10100000010000011011000
3100212210102011
4110002003120
52321020123
6304315304
762430610
oct24020330
910783364
105251288
112a67409
121912b34
13111b293
149a9a40
156dae0d
hex5020d8

5251288 has 32 divisors (see below), whose sum is σ = 11404800. Its totient is φ = 2220192.

The previous prime is 5251273. The next prime is 5251331. The reversal of 5251288 is 8821525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3831 + ... + 5017.

It is an arithmetic number, because the mean of its divisors is an integer number (356400).

Almost surely, 25251288 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 5251288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5702400).

5251288 is an abundant number, since it is smaller than the sum of its proper divisors (6153512).

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

5251288 is a wasteful number, since it uses less digits than its factorization.

5251288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279 (or 1275 counting only the distinct ones).

The product of its digits is 6400, while the sum is 31.

The square root of 5251288 is about 2291.5688948840. The cubic root of 5251288 is about 173.8155441689.

It can be divided in two parts, 525128 and 8, that multiplied together give a palindrome (4201024).

The spelling of 5251288 in words is "five million, two hundred fifty-one thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 79 158 316 553 632 1106 1187 2212 2374 4424 4748 8309 9496 16618 33236 66472 93773 187546 375092 656411 750184 1312822 2625644 5251288