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144491190 = 2354816373
BaseRepresentation
bin10001001110011…
…00001010110110
3101001212220122120
420213030022312
5243442204230
622200540410
73403104054
oct1047141266
9331786576
10144491190
117461a408
1240481706
1323c2065c
14152931d4
15ca42310
hex89cc2b6

144491190 has 16 divisors (see below), whose sum is σ = 346778928. Its totient is φ = 38530976.

The previous prime is 144491189. The next prime is 144491209. The reversal of 144491190 is 91194441.

It is a super-2 number, since 2×1444911902 = 41755407975232200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2408157 + ... + 2408216.

It is an arithmetic number, because the mean of its divisors is an integer number (21673683).

Almost surely, 2144491190 is an apocalyptic number.

144491190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144491190 is an abundant number, since it is smaller than the sum of its proper divisors (202287738).

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

144491190 is a wasteful number, since it uses less digits than its factorization.

144491190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816383.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 144491190 is about 12020.4488268949. The cubic root of 144491190 is about 524.7435663767.

The spelling of 144491190 in words is "one hundred forty-four million, four hundred ninety-one thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 4816373 9632746 14449119 24081865 28898238 48163730 72245595 144491190