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144293258 = 2193797191
BaseRepresentation
bin10001001100110…
…11110110001010
3101001111212010202
420212123312022
5243414341013
622152412202
73401321024
oct1046336612
9331455122
10144293258
11744a472a
12403a7062
1323b81535
1415241014
15ca03858
hex899bd8a

144293258 has 8 divisors (see below), whose sum is σ = 227831520. Its totient is φ = 68349420.

The previous prime is 144293179. The next prime is 144293267. The reversal of 144293258 is 852392441.

144293258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 3797191 = 144293258 / (1 + 4 + 4 + 2 + 9 + 3 + 2 + 5 + 8).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898558 + ... + 1898633.

It is an arithmetic number, because the mean of its divisors is an integer number (28478940).

Almost surely, 2144293258 is an apocalyptic number.

144293258 is a deficient number, since it is larger than the sum of its proper divisors (83538262).

144293258 is a wasteful number, since it uses less digits than its factorization.

144293258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797212.

The product of its digits is 69120, while the sum is 38.

The square root of 144293258 is about 12012.2128685767. The cubic root of 144293258 is about 524.5038493261.

The spelling of 144293258 in words is "one hundred forty-four million, two hundred ninety-three thousand, two hundred fifty-eight".

Divisors: 1 2 19 38 3797191 7594382 72146629 144293258