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31116054 = 235186009
BaseRepresentation
bin111011010110…
…0101100010110
32011112212012110
41312230230112
530431203204
63030531450
7525324234
oct166545426
964485173
1031116054
1116622a52
12a506b86
1365a5c88
1441bd954
152ae9889
hex1dacb16

31116054 has 8 divisors (see below), whose sum is σ = 62232120. Its totient is φ = 10372016.

The previous prime is 31116013. The next prime is 31116067. The reversal of 31116054 is 45061113.

It is a sphenic number, since it is the product of 3 distinct primes.

31116054 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31116054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2592999 + ... + 2593010.

It is an arithmetic number, because the mean of its divisors is an integer number (7779015).

Almost surely, 231116054 is an apocalyptic number.

31116054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31116054 is a wasteful number, since it uses less digits than its factorization.

31116054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186014.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 31116054 is about 5578.1765837951. The cubic root of 31116054 is about 314.5295875942.

Adding to 31116054 its reverse (45061113), we get a palindrome (76177167).

The spelling of 31116054 in words is "thirty-one million, one hundred sixteen thousand, fifty-four".

Divisors: 1 2 3 6 5186009 10372018 15558027 31116054