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68933234 = 2173281709
BaseRepresentation
bin1000001101111…
…01011001110010
311210201011121202
410012331121302
5120121330414
610501251202
71464631346
oct406753162
9153634552
1068933234
1135a02617
121b103b02
13113870c6
149225626
1560b99de
hex41bd672

68933234 has 16 divisors (see below), whose sum is σ = 104514840. Its totient is φ = 34097280.

The previous prime is 68933213. The next prime is 68933239. The reversal of 68933234 is 43233986.

It can be written as a sum of positive squares in 4 ways, for example, as 64080025 + 4853209 = 8005^2 + 2203^2 .

It is not an unprimeable number, because it can be changed into a prime (68933239) 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, 96872 + ... + 97580.

Almost surely, 268933234 is an apocalyptic number.

68933234 is a deficient number, since it is larger than the sum of its proper divisors (35581606).

68933234 is a wasteful number, since it uses less digits than its factorization.

68933234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its digits is 93312, while the sum is 38.

The square root of 68933234 is about 8302.6040493330. The cubic root of 68933234 is about 410.0242579342.

The spelling of 68933234 in words is "sixty-eight million, nine hundred thirty-three thousand, two hundred thirty-four".

Divisors: 1 2 173 281 346 562 709 1418 48613 97226 122657 199229 245314 398458 34466617 68933234