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531441054 = 23310990289
BaseRepresentation
bin11111101011010…
…010010110011110
31101001000000002000
4133223102112132
52042022103204
6124422343130
716112113554
oct3753222636
91331000060
10531441054
11252a91591
12129b8aaa6
1386142c81
145081bbd4
15319c9039
hex1fad259e

531441054 has 32 divisors (see below), whose sum is σ = 1191828000. Its totient is φ = 175519872.

The previous prime is 531441049. The next prime is 531441061. The reversal of 531441054 is 450144135.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39259 + ... + 51030.

It is an arithmetic number, because the mean of its divisors is an integer number (37244625).

Almost surely, 2531441054 is an apocalyptic number.

531441054 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

531441054 is an abundant number, since it is smaller than the sum of its proper divisors (660386946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531441054 is a wasteful number, since it uses less digits than its factorization.

531441054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90409 (or 90403 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 531441054 is about 23053.0053138414. The cubic root of 531441054 is about 810.0000274348. Note that the first 4 decimals are identical.

Adding to 531441054 its reverse (450144135), we get a palindrome (981585189).

The spelling of 531441054 in words is "five hundred thirty-one million, four hundred forty-one thousand, fifty-four".

Divisors: 1 2 3 6 9 18 27 54 109 218 327 654 981 1962 2943 5886 90289 180578 270867 541734 812601 1625202 2437803 4875606 9841501 19683002 29524503 59049006 88573509 177147018 265720527 531441054