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144019193 = 8310915919
BaseRepresentation
bin10001001010110…
…00111011111001
3101000222221012012
420211120323321
5243332103233
622142455305
73366100013
oct1045307371
9330887165
10144019193
117432782a
1240294535
1323ab6876
14151ad1b3
15c99c548
hex8958ef9

144019193 has 8 divisors (see below), whose sum is σ = 147100800. Its totient is φ = 140969808.

The previous prime is 144019181. The next prime is 144019199. The reversal of 144019193 is 391910441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144019193 - 216 = 143953657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144019199) 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, 1088 + ... + 17006.

It is an arithmetic number, because the mean of its divisors is an integer number (18387600).

Almost surely, 2144019193 is an apocalyptic number.

It is an amenable number.

144019193 is a deficient number, since it is larger than the sum of its proper divisors (3081607).

144019193 is a wasteful number, since it uses less digits than its factorization.

144019193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16111.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 144019193 is about 12000.7996816879. The cubic root of 144019193 is about 524.1715647932.

The spelling of 144019193 in words is "one hundred forty-four million, nineteen thousand, one hundred ninety-three".

Divisors: 1 83 109 9047 15919 1321277 1735171 144019193