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144031286 = 27219103751
BaseRepresentation
bin10001001010110…
…11111000110110
3101001000112210002
420211123320312
5243333000121
622143031302
73366150200
oct1045337066
9331015702
10144031286
1174335923
124029b532
1323abc219
14151b3770
15c9a0e0b
hex895be36

144031286 has 48 divisors (see below), whose sum is σ = 267471360. Its totient is φ = 57834000.

The previous prime is 144031271. The next prime is 144031291. The reversal of 144031286 is 682130441.

It is a super-2 number, since 2×1440312862 = 41490022693627592, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191411 + ... + 192161.

It is an arithmetic number, because the mean of its divisors is an integer number (5572320).

Almost surely, 2144031286 is an apocalyptic number.

144031286 is a deficient number, since it is larger than the sum of its proper divisors (123440074).

144031286 is a wasteful number, since it uses less digits than its factorization.

144031286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 144031286 is about 12001.3035125356. The cubic root of 144031286 is about 524.1862355908.

The spelling of 144031286 in words is "one hundred forty-four million, thirty-one thousand, two hundred eighty-six".

Divisors: 1 2 7 14 19 38 49 98 103 133 206 266 721 751 931 1442 1502 1862 1957 3914 5047 5257 10094 10514 13699 14269 27398 28538 36799 73598 77353 95893 99883 154706 191786 199766 541471 699181 1082942 1398362 1469707 2939414 3790297 7580594 10287949 20575898 72015643 144031286