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68383235 = 513676647
BaseRepresentation
bin1000001001101…
…11001000000011
311202200020011102
410010313020003
5120001230420
610441405015
71460151014
oct404671003
9152606142
1068383235
1135667378
121aa9976b
131122396b
14912100b
15600ba75
hex4137203

68383235 has 4 divisors (see below), whose sum is σ = 82059888. Its totient is φ = 54706584.

The previous prime is 68383229. The next prime is 68383243. The reversal of 68383235 is 53238386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68383235 - 212 = 68379139 is a prime.

It is a Duffinian number.

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, 6838319 + ... + 6838328.

It is an arithmetic number, because the mean of its divisors is an integer number (20514972).

Almost surely, 268383235 is an apocalyptic number.

68383235 is a deficient number, since it is larger than the sum of its proper divisors (13676653).

68383235 is a wasteful number, since it uses less digits than its factorization.

68383235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13676652.

The product of its digits is 103680, while the sum is 38.

The square root of 68383235 is about 8269.4156383628. The cubic root of 68383235 is about 408.9308551360.

The spelling of 68383235 in words is "sixty-eight million, three hundred eighty-three thousand, two hundred thirty-five".

Divisors: 1 5 13676647 68383235