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5272144 = 24437997
BaseRepresentation
bin10100000111001001010000
3100220212000121
4110013021100
52322202034
6305000024
762545453
oct24071120
910825017
105272144
112a81049
121923014
131127917
149b349a
156e21b4
hex507250

5272144 has 40 divisors (see below), whose sum is σ = 10693760. Its totient is φ = 2515968.

The previous prime is 5272123. The next prime is 5272147. The reversal of 5272144 is 4412725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5272147) 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, 54304 + ... + 54400.

It is an arithmetic number, because the mean of its divisors is an integer number (267344).

Almost surely, 25272144 is an apocalyptic number.

It is an amenable number.

5272144 is an abundant number, since it is smaller than the sum of its proper divisors (5421616).

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

5272144 is a wasteful number, since it uses less digits than its factorization.

5272144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 221 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 5272144 is about 2296.1149796994. The cubic root of 5272144 is about 174.0453486415.

Adding to 5272144 its reverse (4412725), we get a palindrome (9684869).

The spelling of 5272144 in words is "five million, two hundred seventy-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 43 79 86 97 158 172 194 316 344 388 632 688 776 1264 1552 3397 4171 6794 7663 8342 13588 15326 16684 27176 30652 33368 54352 61304 66736 122608 329509 659018 1318036 2636072 5272144