Search a number
-
+
5120240 = 245292207
BaseRepresentation
bin10011100010000011110000
3100122010122112
4103202003300
52302321430
6301424452
761343546
oct23420360
910563575
105120240
112987a04
12186b128
1310a3738
14973d96
156b2195
hex4e20f0

5120240 has 40 divisors (see below), whose sum is σ = 12320640. Its totient is φ = 1976576.

The previous prime is 5120231. The next prime is 5120249. The reversal of 5120240 is 420215.

It is an interprime number because it is at equal distance from previous prime (5120231) and next prime (5120249).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120249) 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, 1217 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (308016).

Almost surely, 25120240 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 5120240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6160320).

5120240 is an abundant number, since it is smaller than the sum of its proper divisors (7200400).

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

5120240 is a wasteful number, since it uses less digits than its factorization.

5120240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249 (or 2243 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 5120240 is about 2262.7947321841. The cubic root of 5120240 is about 172.3574682038.

Adding to 5120240 its reverse (420215), we get a palindrome (5540455).

The spelling of 5120240 in words is "five million, one hundred twenty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2207 2320 4414 8828 11035 17656 22070 35312 44140 64003 88280 128006 176560 256012 320015 512024 640030 1024048 1280060 2560120 5120240