Search a number
-
+
244895145 = 351123471373
BaseRepresentation
bin11101001100011…
…00110110101001
3122001210221222120
432212030312221
51000143121040
640144541453
76032401005
oct1646146651
9561727876
10244895145
11116267390
126a021889
133b975c91
142474b705
15167767d0
hexe98cda9

244895145 has 64 divisors (see below), whose sum is σ = 455860224. Its totient is φ = 111077120.

The previous prime is 244895143. The next prime is 244895197. The reversal of 244895145 is 541598442.

It is not a de Polignac number, because 244895145 - 21 = 244895143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244895097 and 244895106.

It is not an unprimeable number, because it can be changed into a prime (244895141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 177679 + ... + 179051.

It is an arithmetic number, because the mean of its divisors is an integer number (7122816).

Almost surely, 2244895145 is an apocalyptic number.

It is an amenable number.

244895145 is a deficient number, since it is larger than the sum of its proper divisors (210965079).

244895145 is a wasteful number, since it uses less digits than its factorization.

244895145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462.

The product of its digits is 230400, while the sum is 42.

The square root of 244895145 is about 15649.1260139345. The cubic root of 244895145 is about 625.6431949201.

The spelling of 244895145 in words is "two hundred forty-four million, eight hundred ninety-five thousand, one hundred forty-five".

Divisors: 1 3 5 11 15 23 33 47 55 69 115 141 165 235 253 345 517 705 759 1081 1265 1373 1551 2585 3243 3795 4119 5405 6865 7755 11891 15103 16215 20595 31579 35673 45309 59455 64531 75515 94737 157895 178365 193593 226545 322655 347369 473685 709841 967965 1042107 1484213 1736845 2129523 3549205 4452639 5210535 7421065 10647615 16326343 22263195 48979029 81631715 244895145