Search a number
-
+
144834634 = 2723449797
BaseRepresentation
bin10001010001000…
…00000001001010
3101002112100202201
420220200001022
5244034202014
622212150414
73406034260
oct1050400112
9332470681
10144834634
117483444a
124060840a
1324010a89
1415342430
15caade74
hex8a2004a

144834634 has 16 divisors (see below), whose sum is σ = 259083648. Its totient is φ = 59373072.

The previous prime is 144834631. The next prime is 144834643. The reversal of 144834634 is 436438441.

It is a junction number, because it is equal to n+sod(n) for n = 144834593 and 144834602.

It is not an unprimeable number, because it can be changed into a prime (144834631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224577 + ... + 225220.

It is an arithmetic number, because the mean of its divisors is an integer number (16192728).

Almost surely, 2144834634 is an apocalyptic number.

144834634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144834634 is a deficient number, since it is larger than the sum of its proper divisors (114249014).

144834634 is a wasteful number, since it uses less digits than its factorization.

144834634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449829.

The product of its digits is 110592, while the sum is 37.

The square root of 144834634 is about 12034.7261705450. The cubic root of 144834634 is about 525.1589952300.

The spelling of 144834634 in words is "one hundred forty-four million, eight hundred thirty-four thousand, six hundred thirty-four".

Divisors: 1 2 7 14 23 46 161 322 449797 899594 3148579 6297158 10345331 20690662 72417317 144834634