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1944101 = 16311927
BaseRepresentation
bin111011010101000100101
310122202210202
413122220211
5444202401
6105400245
722344635
oct7325045
93582722
101944101
1111086a5
12799085
13530b73
143886c5
1528606b
hex1daa25

1944101 has 4 divisors (see below), whose sum is σ = 1956192. Its totient is φ = 1932012.

The previous prime is 1944079. The next prime is 1944113. The reversal of 1944101 is 1014491.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1014491 = 6116631.

It is a cyclic number.

It is not a de Polignac number, because 1944101 - 210 = 1943077 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 (1944181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5801 + ... + 6126.

It is an arithmetic number, because the mean of its divisors is an integer number (489048).

21944101 is an apocalyptic number.

It is an amenable number.

1944101 is a deficient number, since it is larger than the sum of its proper divisors (12091).

1944101 is a wasteful number, since it uses less digits than its factorization.

1944101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12090.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1944101 is about 1394.3102237307. The cubic root of 1944101 is about 124.8071907497.

Adding to 1944101 its reverse (1014491), we get a palindrome (2958592).

The spelling of 1944101 in words is "one million, nine hundred forty-four thousand, one hundred one".

Divisors: 1 163 11927 1944101