Search a number
-
+
24270380 = 2257915361
BaseRepresentation
bin101110010010…
…1011000101100
31200200001200222
41130211120230
522203123010
62224110512
7413203061
oct134453054
950601628
1024270380
1112777772
128165438
13504a094
14331ac68
1521e6355
hex172562c

24270380 has 24 divisors (see below), whose sum is σ = 51616320. Its totient is φ = 9584640.

The previous prime is 24270349. The next prime is 24270437. The reversal of 24270380 is 8307242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6101 + ... + 9260.

It is an arithmetic number, because the mean of its divisors is an integer number (2150680).

Almost surely, 224270380 is an apocalyptic number.

24270380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24270380 is an abundant number, since it is smaller than the sum of its proper divisors (27345940).

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

24270380 is a wasteful number, since it uses less digits than its factorization.

24270380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15449 (or 15447 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 24270380 is about 4926.4977418040. The cubic root of 24270380 is about 289.5290811306.

The spelling of 24270380 in words is "twenty-four million, two hundred seventy thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 15361 30722 61444 76805 153610 307220 1213519 2427038 4854076 6067595 12135190 24270380