Search a number
-
+
144001412 = 22108733119
BaseRepresentation
bin10001001010101…
…00100110000100
3101000222000210122
420211110212010
5243331021122
622142241112
73365664122
oct1045244604
9330860718
10144001412
1174315435
1240286198
1323aab749
14151a6912
15c997142
hex8954984

144001412 has 12 divisors (see below), whose sum is σ = 252241920. Its totient is φ = 71932296.

The previous prime is 144001409. The next prime is 144001423. The reversal of 144001412 is 214100441.

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, 12212 + ... + 20907.

It is an arithmetic number, because the mean of its divisors is an integer number (21020160).

Almost surely, 2144001412 is an apocalyptic number.

It is an amenable number.

144001412 is a deficient number, since it is larger than the sum of its proper divisors (108240508).

144001412 is a wasteful number, since it uses less digits than its factorization.

144001412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34210 (or 34208 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 144001412 is about 12000.0588331891. The cubic root of 144001412 is about 524.1499920245.

Adding to 144001412 its reverse (214100441), we get a palindrome (358101853).

The spelling of 144001412 in words is "one hundred forty-four million, one thousand, four hundred twelve".

Divisors: 1 2 4 1087 2174 4348 33119 66238 132476 36000353 72000706 144001412