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44140230 = 23251983311
BaseRepresentation
bin1010100001100…
…0011011000110
310002001120000100
42220120123012
542244441410
64214024530
71044120501
oct250303306
9102046010
1044140230
1122a09232
1212948146
1391b61a4
145c10138
153d1d8c0
hex2a186c6

44140230 has 96 divisors (see below), whose sum is σ = 122653440. Its totient is φ = 10981440.

The previous prime is 44140183. The next prime is 44140267. The reversal of 44140230 is 3204144.

44140230 = T131 + T132 + ... + T643.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141775 + ... + 142085.

It is an arithmetic number, because the mean of its divisors is an integer number (1277640).

Almost surely, 244140230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44140230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61326720).

44140230 is an abundant number, since it is smaller than the sum of its proper divisors (78513210).

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

44140230 is a wasteful number, since it uses less digits than its factorization.

44140230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44140230 is about 6643.8114061132. The cubic root of 44140230 is about 353.4094818275.

Adding to 44140230 its reverse (3204144), we get a palindrome (47344374).

The spelling of 44140230 in words is "forty-four million, one hundred forty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 83 90 95 114 166 171 190 249 285 311 342 415 498 570 622 747 830 855 933 1245 1494 1555 1577 1710 1866 2490 2799 3110 3154 3735 4665 4731 5598 5909 7470 7885 9330 9462 11818 13995 14193 15770 17727 23655 25813 27990 28386 29545 35454 47310 51626 53181 59090 70965 77439 88635 106362 129065 141930 154878 177270 232317 258130 265905 387195 464634 490447 531810 774390 980894 1161585 1471341 2323170 2452235 2942682 4414023 4904470 7356705 8828046 14713410 22070115 44140230