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144268093 = 179805967
BaseRepresentation
bin10001001100101…
…01101100111101
3101001110120121201
420212111230331
5243413034333
622152055501
73401154454
oct1046255475
9331416551
10144268093
1174487832
1240394591
1323b72c48
1415235b9b
15c9eb17d
hex8995b3d

144268093 has 4 divisors (see below), whose sum is σ = 145074240. Its totient is φ = 143461948.

The previous prime is 144268087. The next prime is 144268109. The reversal of 144268093 is 390862441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144268093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144268043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402805 + ... + 403162.

It is an arithmetic number, because the mean of its divisors is an integer number (36268560).

Almost surely, 2144268093 is an apocalyptic number.

It is an amenable number.

144268093 is a deficient number, since it is larger than the sum of its proper divisors (806147).

144268093 is an equidigital number, since it uses as much as digits as its factorization.

144268093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806146.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 144268093 is about 12011.1653472925. The cubic root of 144268093 is about 524.4733560862.

The spelling of 144268093 in words is "one hundred forty-four million, two hundred sixty-eight thousand, ninety-three".

Divisors: 1 179 805967 144268093