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68182238 = 2151225769
BaseRepresentation
bin1000001000001…
…10000011011110
311202022000110002
410010012003132
5114423312423
610433214302
71455353015
oct404060336
9152260402
1068182238
113553a363
121aa01392
1311183327
1490aba7c
155ebc228
hex41060de

68182238 has 8 divisors (see below), whose sum is σ = 102951120. Its totient is φ = 33865200.

The previous prime is 68182207. The next prime is 68182249. The reversal of 68182238 is 83228186.

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

It is a congruent 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, 112583 + ... + 113186.

It is an arithmetic number, because the mean of its divisors is an integer number (12868890).

Almost surely, 268182238 is an apocalyptic number.

68182238 is a deficient number, since it is larger than the sum of its proper divisors (34768882).

68182238 is a wasteful number, since it uses less digits than its factorization.

68182238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225922.

The product of its digits is 36864, while the sum is 38.

The square root of 68182238 is about 8257.2536596619. The cubic root of 68182238 is about 408.5298088029.

The spelling of 68182238 in words is "sixty-eight million, one hundred eighty-two thousand, two hundred thirty-eight".

Divisors: 1 2 151 302 225769 451538 34091119 68182238