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144861882 = 231137137433
BaseRepresentation
bin10001010001001…
…10101010111010
3101002120202010220
420220212222322
5244041040012
622212520510
73406206564
oct1050465272
9332522126
10144861882
1174852970
1240620136
13240202b9
141534c334
15cab708c
hex8a26aba

144861882 has 64 divisors (see below), whose sum is σ = 327729024. Its totient is φ = 42301440.

The previous prime is 144861881. The next prime is 144861907. The reversal of 144861882 is 288168441.

It is not an unprimeable number, because it can be changed into a prime (144861881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334338 + ... + 334770.

It is an arithmetic number, because the mean of its divisors is an integer number (5120766).

Almost surely, 2144861882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144861882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163864512).

144861882 is an abundant number, since it is smaller than the sum of its proper divisors (182867142).

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

144861882 is a wasteful number, since it uses less digits than its factorization.

144861882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its digits is 98304, while the sum is 42.

The square root of 144861882 is about 12035.8581746380. The cubic root of 144861882 is about 525.1919262002.

The spelling of 144861882 in words is "one hundred forty-four million, eight hundred sixty-one thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 11 22 33 37 66 74 111 137 222 274 407 411 433 814 822 866 1221 1299 1507 2442 2598 3014 4521 4763 5069 9042 9526 10138 14289 15207 16021 28578 30414 32042 48063 55759 59321 96126 111518 118642 167277 176231 177963 334554 352462 355926 528693 652531 1057386 1305062 1957593 2194877 3915186 4389754 6584631 13169262 24143647 48287294 72430941 144861882