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5311240 = 2351112071
BaseRepresentation
bin10100010000101100001000
3100222211122121
4110100230020
52324424430
6305501024
763100444
oct24205410
910884577
105311240
112aa8460
121941774
13113c65c
149c3824
156eda7a
hex510b08

5311240 has 32 divisors (see below), whose sum is σ = 13037760. Its totient is φ = 1931200.

The previous prime is 5311237. The next prime is 5311247. The reversal of 5311240 is 421135.

It is not an unprimeable number, because it can be changed into a prime (5311247) by changing a digit.

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, 5596 + ... + 6475.

It is an arithmetic number, because the mean of its divisors is an integer number (407430).

Almost surely, 25311240 is an apocalyptic number.

It is an amenable number.

5311240 is an abundant number, since it is smaller than the sum of its proper divisors (7726520).

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

5311240 is a wasteful number, since it uses less digits than its factorization.

5311240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12093 (or 12089 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5311240 is about 2304.6127657374. The cubic root of 5311240 is about 174.4745052422.

Adding to 5311240 its reverse (421135), we get a palindrome (5732375).

It can be divided in two parts, 531 and 1240, that added together give a palindrome (1771).

The spelling of 5311240 in words is "five million, three hundred eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 12071 24142 48284 60355 96568 120710 132781 241420 265562 482840 531124 663905 1062248 1327810 2655620 5311240