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68433119 = 232975353
BaseRepresentation
bin1000001010000…
…11010011011111
311202202202120222
410011003103133
5120004324434
610442431555
71460446316
oct405032337
9152682528
1068433119
11356a08a7
121ab025bb
1311240591
14913527d
15601b72e
hex41434df

68433119 has 4 divisors (see below), whose sum is σ = 71408496. Its totient is φ = 65457744.

The previous prime is 68433107. The next prime is 68433149. The reversal of 68433119 is 91133486.

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 68433119 - 24 = 68433103 is a prime.

It is a super-2 number, since 2×684331192 = 9366183552136322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68433149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487654 + ... + 1487699.

It is an arithmetic number, because the mean of its divisors is an integer number (17852124).

Almost surely, 268433119 is an apocalyptic number.

68433119 is a deficient number, since it is larger than the sum of its proper divisors (2975377).

68433119 is a wasteful number, since it uses less digits than its factorization.

68433119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975376.

The product of its digits is 15552, while the sum is 35.

The square root of 68433119 is about 8272.4312629359. The cubic root of 68433119 is about 409.0302661908.

The spelling of 68433119 in words is "sixty-eight million, four hundred thirty-three thousand, one hundred nineteen".

Divisors: 1 23 2975353 68433119