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5120440 = 2351343229
BaseRepresentation
bin10011100010000110111000
3100122010220221
4103202012320
52302323230
6301425424
761344253
oct23420670
910563827
105120440
112988076
12186b274
1310a3860
1497409a
156b227a
hex4e21b8

5120440 has 64 divisors (see below), whose sum is σ = 12751200. Its totient is φ = 1838592.

The previous prime is 5120419. The next prime is 5120441. The reversal of 5120440 is 440215.

Adding to 5120440 its reverse (440215), we get a palindrome (5560655).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120441) 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, 22246 + ... + 22474.

Almost surely, 25120440 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 5120440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6375600).

5120440 is an abundant number, since it is smaller than the sum of its proper divisors (7630760).

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

5120440 is a wasteful number, since it uses less digits than its factorization.

5120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 5120440 is about 2262.8389248906. The cubic root of 5120440 is about 172.3597123073.

The spelling of 5120440 in words is "five million, one hundred twenty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 43 52 65 86 104 130 172 215 229 260 344 430 458 520 559 860 916 1118 1145 1720 1832 2236 2290 2795 2977 4472 4580 5590 5954 9160 9847 11180 11908 14885 19694 22360 23816 29770 39388 49235 59540 78776 98470 119080 128011 196940 256022 393880 512044 640055 1024088 1280110 2560220 5120440