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5144280 = 2335163263
BaseRepresentation
bin10011100111111011011000
3100200100121220
4103213323120
52304104110
6302132040
761503621
oct23477330
910610556
105144280
1129a3a79
121881020
1310b166b
1497ca48
156b9370
hex4e7ed8

5144280 has 64 divisors (see below), whose sum is σ = 15586560. Its totient is φ = 1358208.

The previous prime is 5144273. The next prime is 5144287. The reversal of 5144280 is 824415.

It is an interprime number because it is at equal distance from previous prime (5144273) and next prime (5144287).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5144280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144287) 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, 19429 + ... + 19691.

It is an arithmetic number, because the mean of its divisors is an integer number (243540).

Almost surely, 25144280 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 5144280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7793280).

5144280 is an abundant number, since it is smaller than the sum of its proper divisors (10442280).

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

5144280 is a wasteful number, since it uses less digits than its factorization.

5144280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 5144280 is about 2268.1005268727. The cubic root of 5144280 is about 172.6267918901.

Adding to 5144280 its reverse (824415), we get a palindrome (5968695).

The spelling of 5144280 in words is "five million, one hundred forty-four thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 163 263 326 489 526 652 789 815 978 1052 1304 1315 1578 1630 1956 2104 2445 2630 3156 3260 3912 3945 4890 5260 6312 6520 7890 9780 10520 15780 19560 31560 42869 85738 128607 171476 214345 257214 342952 428690 514428 643035 857380 1028856 1286070 1714760 2572140 5144280