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244627140 = 223516325013
BaseRepresentation
bin11101001010010…
…11011011000100
3122001022100100110
432211023123010
51000111032030
640135113020
76030203442
oct1645133304
9561270313
10244627140
111160a3a9a
1269b12770
133b8b0cb4
14246bbb92
15167221b0
hexe94b6c4

244627140 has 48 divisors (see below), whose sum is σ = 689185728. Its totient is φ = 64831104.

The previous prime is 244627139. The next prime is 244627183. The reversal of 244627140 is 41726442.

244627140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 244627098 and 244627107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2727 + ... + 22286.

It is an arithmetic number, because the mean of its divisors is an integer number (14358036).

Almost surely, 2244627140 is an apocalyptic number.

244627140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244627140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344592864).

244627140 is an abundant number, since it is smaller than the sum of its proper divisors (444558588).

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

244627140 is a wasteful number, since it uses less digits than its factorization.

244627140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25188 (or 25186 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 244627140 is about 15640.5607316362. The cubic root of 244627140 is about 625.4148839998.

The spelling of 244627140 in words is "two hundred forty-four million, six hundred twenty-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 163 326 489 652 815 978 1630 1956 2445 3260 4890 9780 25013 50026 75039 100052 125065 150078 250130 300156 375195 500260 750390 1500780 4077119 8154238 12231357 16308476 20385595 24462714 40771190 48925428 61156785 81542380 122313570 244627140