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68632476 = 22311519943
BaseRepresentation
bin1000001011100…
…11111110011100
311210010220001120
410011303332130
5120032214401
610451010540
71462236453
oct405637634
9153126046
1068632476
1135817660
121ab99a50
13112b0243
149187b9a
15605a836
hex4173f9c

68632476 has 24 divisors (see below), whose sum is σ = 174701184. Its totient is φ = 20797680.

The previous prime is 68632469. The next prime is 68632489. The reversal of 68632476 is 67423686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259840 + ... + 260103.

It is an arithmetic number, because the mean of its divisors is an integer number (7279216).

Almost surely, 268632476 is an apocalyptic number.

68632476 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

68632476 is an abundant number, since it is smaller than the sum of its proper divisors (106068708).

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

68632476 is a wasteful number, since it uses less digits than its factorization.

68632476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519961 (or 519959 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 68632476 is about 8284.4719807601. The cubic root of 68632476 is about 409.4270720701.

It can be divided in two parts, 6863 and 2476, that added together give a palindrome (9339).

The spelling of 68632476 in words is "sixty-eight million, six hundred thirty-two thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 519943 1039886 1559829 2079772 3119658 5719373 6239316 11438746 17158119 22877492 34316238 68632476