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144624190 = 2567215857
BaseRepresentation
bin10001001111011…
…00101000111110
3101002010200002111
420213230220332
5244010433230
622203444234
73404166604
oct1047545076
9332120074
10144624190
1174700327
124052667a
1323c69059
14152c9874
15ca6b92a
hex89eca3e

144624190 has 16 divisors (see below), whose sum is σ = 264210192. Its totient is φ = 56985984.

The previous prime is 144624149. The next prime is 144624191. The reversal of 144624190 is 91426441.

It is a super-2 number, since 2×1446241902 = 41832312666312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144624191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107259 + ... + 108598.

It is an arithmetic number, because the mean of its divisors is an integer number (16513137).

Almost surely, 2144624190 is an apocalyptic number.

144624190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144624190 is a deficient number, since it is larger than the sum of its proper divisors (119586002).

144624190 is a wasteful number, since it uses less digits than its factorization.

144624190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215931.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 144624190 is about 12025.9797937632. The cubic root of 144624190 is about 524.9045208075.

The spelling of 144624190 in words is "one hundred forty-four million, six hundred twenty-four thousand, one hundred ninety".

Divisors: 1 2 5 10 67 134 335 670 215857 431714 1079285 2158570 14462419 28924838 72312095 144624190