Search a number
-
+
544142121 = 31911384481
BaseRepresentation
bin100000011011101…
…111001100101001
31101220220021122220
4200123233030221
52103300021441
6125554504253
716325063115
oct4033571451
91356807586
10544142121
1125a177036
12132295089
138896c0b3
14523a6745
1532b87466
hex206ef329

544142121 has 16 divisors (see below), whose sum is σ = 770475840. Its totient is φ = 340623360.

The previous prime is 544142117. The next prime is 544142177. The reversal of 544142121 is 121241445.

544142121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 544142121 - 22 = 544142117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 544142091 and 544142100.

It is not an unprimeable number, because it can be changed into a prime (544142821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35800 + ... + 48681.

It is an arithmetic number, because the mean of its divisors is an integer number (48154740).

Almost surely, 2544142121 is an apocalyptic number.

It is an amenable number.

544142121 is a deficient number, since it is larger than the sum of its proper divisors (226333719).

544142121 is a wasteful number, since it uses less digits than its factorization.

544142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84616.

The product of its digits is 1280, while the sum is 24.

The square root of 544142121 is about 23326.8540742210. The cubic root of 544142121 is about 816.4021035202.

Adding to 544142121 its reverse (121241445), we get a palindrome (665383566).

The spelling of 544142121 in words is "five hundred forty-four million, one hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 3 19 57 113 339 2147 6441 84481 253443 1605139 4815417 9546353 28639059 181380707 544142121