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68436412 = 22114433511
BaseRepresentation
bin1000001010001…
…00000110111100
311202202221002221
410011010012330
5120004431122
610442455124
71460462032
oct405040674
9152687087
1068436412
11356a3320
121ab044a4
1311241c25
149136552
15601c6c7
hex41441bc

68436412 has 24 divisors (see below), whose sum is σ = 130983552. Its totient is φ = 31028400.

The previous prime is 68436397. The next prime is 68436427. The reversal of 68436412 is 21463486.

It is an interprime number because it is at equal distance from previous prime (68436397) and next prime (68436427).

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, 17737 + ... + 21247.

It is an arithmetic number, because the mean of its divisors is an integer number (5457648).

Almost surely, 268436412 is an apocalyptic number.

It is an amenable number.

68436412 is a deficient number, since it is larger than the sum of its proper divisors (62547140).

68436412 is a wasteful number, since it uses less digits than its factorization.

68436412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969 (or 3967 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 68436412 is about 8272.6302951359. The cubic root of 68436412 is about 409.0368269277.

Adding to 68436412 its reverse (21463486), we get a palindrome (89899898).

The spelling of 68436412 in words is "sixty-eight million, four hundred thirty-six thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 443 886 1772 3511 4873 7022 9746 14044 19492 38621 77242 154484 1555373 3110746 6221492 17109103 34218206 68436412