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68834426 = 264153693
BaseRepresentation
bin1000001101001…
…01010001111010
311210112011002012
410012211101322
5120110200201
610455205522
71464040313
oct406452172
9153464065
1068834426
1135945361
121b0768a2
131135113b
1491db60a
15609a5bb
hex41a547a

68834426 has 8 divisors (see below), whose sum is σ = 103414644. Its totient is φ = 34362880.

The previous prime is 68834419. The next prime is 68834453. The reversal of 68834426 is 62443886.

It can be written as a sum of positive squares in 2 ways, for example, as 68475625 + 358801 = 8275^2 + 599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25565 + ... + 28128.

Almost surely, 268834426 is an apocalyptic number.

68834426 is a deficient number, since it is larger than the sum of its proper divisors (34580218).

68834426 is a wasteful number, since it uses less digits than its factorization.

68834426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54336.

The product of its digits is 221184, while the sum is 41.

The square root of 68834426 is about 8296.6514932230. The cubic root of 68834426 is about 409.8282564449.

The spelling of 68834426 in words is "sixty-eight million, eight hundred thirty-four thousand, four hundred twenty-six".

Divisors: 1 2 641 1282 53693 107386 34417213 68834426