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52111664 = 24111717417
BaseRepresentation
bin1100011011001…
…0100100110000
310122001112202122
43012302210300
5101320033124
65100533412
71201641023
oct306624460
9118045678
1052111664
11274632a0
1215551268
13aa47607
146cc71ba
15489575e
hex31b2930

52111664 has 40 divisors (see below), whose sum is σ = 116630928. Its totient is φ = 22292480.

The previous prime is 52111663. The next prime is 52111679. The reversal of 52111664 is 46611125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52111663) 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 7 ways as a sum of consecutive naturals, for example, 5717 + ... + 11700.

Almost surely, 252111664 is an apocalyptic number.

It is an amenable number.

52111664 is an abundant number, since it is smaller than the sum of its proper divisors (64519264).

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

52111664 is a wasteful number, since it uses less digits than its factorization.

52111664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17453 (or 17447 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 52111664 is about 7218.8409041895. The cubic root of 52111664 is about 373.5180959042.

Adding to 52111664 its reverse (46611125), we get a palindrome (98722789).

The spelling of 52111664 in words is "fifty-two million, one hundred eleven thousand, six hundred sixty-four".

Divisors: 1 2 4 8 11 16 17 22 34 44 68 88 136 176 187 272 374 748 1496 2992 17417 34834 69668 139336 191587 278672 296089 383174 592178 766348 1184356 1532696 2368712 3065392 3256979 4737424 6513958 13027916 26055832 52111664