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31052054 = 2114759509
BaseRepresentation
bin111011001110…
…1000100010110
32011102121102002
41312131010112
530422131204
63025315302
7524636525
oct166350426
964377362
1031052054
1116589960
12a495b32
136582ac7
1441a44bc
152ad591e
hex1d9d116

31052054 has 32 divisors (see below), whose sum is σ = 52876800. Its totient is φ = 13553440.

The previous prime is 31052053. The next prime is 31052057. The reversal of 31052054 is 45025013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31052051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60752 + ... + 61260.

It is an arithmetic number, because the mean of its divisors is an integer number (1652400).

Almost surely, 231052054 is an apocalyptic number.

31052054 is a deficient number, since it is larger than the sum of its proper divisors (21824746).

31052054 is a wasteful number, since it uses less digits than its factorization.

31052054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 31052054 is about 5572.4369893252. The cubic root of 31052054 is about 314.3137964085.

Adding to 31052054 its reverse (45025013), we get a palindrome (76077067).

The spelling of 31052054 in words is "thirty-one million, fifty-two thousand, fifty-four".

Divisors: 1 2 11 22 47 59 94 118 509 517 649 1018 1034 1298 2773 5546 5599 11198 23923 30031 30503 47846 60062 61006 263153 330341 526306 660682 1411457 2822914 15526027 31052054