Search a number
-
+
5251872 = 253227241
BaseRepresentation
bin10100000010001100100000
3100212211012210
4110002030200
52321024442
6304322120
762432403
oct24021440
910784183
105251872
112a6789a
121913340
13111b622
149a9d3a
156db19c
hex502320

5251872 has 48 divisors (see below), whose sum is σ = 13904352. Its totient is φ = 1735680.

The previous prime is 5251859. The next prime is 5251877. The reversal of 5251872 is 2781525.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (5251877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21672 + ... + 21912.

It is an arithmetic number, because the mean of its divisors is an integer number (289674).

Almost surely, 25251872 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 5251872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6952176).

5251872 is an abundant number, since it is smaller than the sum of its proper divisors (8652480).

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

5251872 is a wasteful number, since it uses less digits than its factorization.

5251872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 473 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 5251872 is about 2291.6963149597. The cubic root of 5251872 is about 173.8219873193.

The spelling of 5251872 in words is "five million, two hundred fifty-one thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 227 241 454 482 681 723 908 964 1362 1446 1816 1928 2724 2892 3632 3856 5448 5784 7264 7712 10896 11568 21792 23136 54707 109414 164121 218828 328242 437656 656484 875312 1312968 1750624 2625936 5251872