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68356424 = 23471371327
BaseRepresentation
bin1000001001100…
…00100101001000
311202121212101102
410010300211020
5114444401144
610441040532
71460006603
oct404604510
9152555342
1068356424
1135649214
121aa86148
13112146b6
14911533a
156003b4e
hex4130948

68356424 has 32 divisors (see below), whose sum is σ = 131950080. Its totient is φ = 33181824.

The previous prime is 68356403. The next prime is 68356429. The reversal of 68356424 is 42465386.

It is not an unprimeable number, because it can be changed into a prime (68356429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50849 + ... + 52175.

It is an arithmetic number, because the mean of its divisors is an integer number (4123440).

Almost surely, 268356424 is an apocalyptic number.

It is an amenable number.

68356424 is a deficient number, since it is larger than the sum of its proper divisors (63593656).

68356424 is a wasteful number, since it uses less digits than its factorization.

68356424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517 (or 1513 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 68356424 is about 8267.7943854453. The cubic root of 68356424 is about 408.8774050064.

The spelling of 68356424 in words is "sixty-eight million, three hundred fifty-six thousand, four hundred twenty-four".

Divisors: 1 2 4 8 47 94 137 188 274 376 548 1096 1327 2654 5308 6439 10616 12878 25756 51512 62369 124738 181799 249476 363598 498952 727196 1454392 8544553 17089106 34178212 68356424