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201444130 = 25145913807
BaseRepresentation
bin11000000000111…
…00101100100010
3112001001102101201
430000130230202
5403032203010
631553351414
74664150446
oct1400345442
9461042351
10201444130
11a3789a58
125756856a
1332971714
141ca7a826
1512a4223a
hexc01cb22

201444130 has 16 divisors (see below), whose sum is σ = 362874240. Its totient is φ = 80516592.

The previous prime is 201444127. The next prime is 201444163. The reversal of 201444130 is 31444102.

It is a super-2 number, since 2×2014441302 = 81159475022913800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201444098 and 201444107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7687 + ... + 21493.

It is an arithmetic number, because the mean of its divisors is an integer number (22679640).

Almost surely, 2201444130 is an apocalyptic number.

201444130 is a deficient number, since it is larger than the sum of its proper divisors (161430110).

201444130 is a wasteful number, since it uses less digits than its factorization.

201444130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15273.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 201444130 is about 14193.1014933312. The cubic root of 201444130 is about 586.2077272617.

Adding to 201444130 its reverse (31444102), we get a palindrome (232888232).

It can be divided in two parts, 20 and 1444130, that added together give a triangular number (1444150 = T1699).

The spelling of 201444130 in words is "two hundred one million, four hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 1459 2918 7295 13807 14590 27614 69035 138070 20144413 40288826 100722065 201444130