Search a number
-
+
244189143 = 32114994943
BaseRepresentation
bin11101000111000…
…00011111010111
3122000111002112100
432203200133113
51000003023033
640121453143
76023400462
oct1643403727
9560432470
10244189143
11115924a10
12699411b3
133b789823
14246062d9
1516687513
hexe8e07d7

244189143 has 24 divisors (see below), whose sum is σ = 385632000. Its totient is φ = 147666960.

The previous prime is 244189133. The next prime is 244189147. The reversal of 244189143 is 341981442.

It is a happy number.

It is not a de Polignac number, because 244189143 - 28 = 244188887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244189098 and 244189107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244189147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46930 + ... + 51872.

It is an arithmetic number, because the mean of its divisors is an integer number (16068000).

Almost surely, 2244189143 is an apocalyptic number.

244189143 is a deficient number, since it is larger than the sum of its proper divisors (141442857).

244189143 is a wasteful number, since it uses less digits than its factorization.

244189143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459 (or 5456 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 244189143 is about 15626.5524988719. The cubic root of 244189143 is about 625.0413992844.

The spelling of 244189143 in words is "two hundred forty-four million, one hundred eighty-nine thousand, one hundred forty-three".

Divisors: 1 3 9 11 33 99 499 1497 4491 4943 5489 14829 16467 44487 49401 54373 163119 489357 2466557 7399671 22199013 27132127 81396381 244189143