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68632283 = 281244243
BaseRepresentation
bin1000001011100…
…11111011011011
311210010212210102
410011303323123
5120032213113
610451010015
71462236056
oct405637333
9153125712
1068632283
11358174a5
121ab9990b
13112b0125
149187a9d
15605a758
hex4173edb

68632283 has 4 divisors (see below), whose sum is σ = 68876808. Its totient is φ = 68387760.

The previous prime is 68632271. The next prime is 68632309. The reversal of 68632283 is 38223686.

It is a happy number.

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 68632283 - 26 = 68632219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68632243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121841 + ... + 122402.

It is an arithmetic number, because the mean of its divisors is an integer number (17219202).

Almost surely, 268632283 is an apocalyptic number.

68632283 is a deficient number, since it is larger than the sum of its proper divisors (244525).

68632283 is a wasteful number, since it uses less digits than its factorization.

68632283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244524.

The product of its digits is 82944, while the sum is 38.

The square root of 68632283 is about 8284.4603324538. The cubic root of 68632283 is about 409.4266882893.

The spelling of 68632283 in words is "sixty-eight million, six hundred thirty-two thousand, two hundred eighty-three".

Divisors: 1 281 244243 68632283