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4400141 = 29151729
BaseRepresentation
bin10000110010010000001101
322021112212012
4100302100031
52111301031
6234151005
752254254
oct20622015
98245765
104400141
112535989
121582465
13bb0a45
1482779b
155bdb2b
hex43240d

4400141 has 4 divisors (see below), whose sum is σ = 4551900. Its totient is φ = 4248384.

The previous prime is 4400131. The next prime is 4400167. The reversal of 4400141 is 1410044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1932100 + 2468041 = 1390^2 + 1571^2 .

It is not a de Polignac number, because 4400141 - 218 = 4137997 is a prime.

It is a super-2 number, since 2×44001412 = 38722481639762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400101) 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, 75836 + ... + 75893.

It is an arithmetic number, because the mean of its divisors is an integer number (1137975).

Almost surely, 24400141 is an apocalyptic number.

It is an amenable number.

4400141 is a deficient number, since it is larger than the sum of its proper divisors (151759).

4400141 is a wasteful number, since it uses less digits than its factorization.

4400141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151758.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4400141 is about 2097.6513056273. The cubic root of 4400141 is about 163.8660044696.

Adding to 4400141 its reverse (1410044), we get a palindrome (5810185).

The spelling of 4400141 in words is "four million, four hundred thousand, one hundred forty-one".

Divisors: 1 29 151729 4400141