Search a number
-
+
68006382 = 2383136559
BaseRepresentation
bin1000000110110…
…11000111101110
311201222002012220
410003123013232
5114402201012
610425340210
71454021223
oct403330756
9151862186
1068006382
113542a224
121a937666
1311121282
14906394a
155e8508c
hex40db1ee

68006382 has 16 divisors (see below), whose sum is σ = 137652480. Its totient is φ = 22395512.

The previous prime is 68006369. The next prime is 68006383. The reversal of 68006382 is 28360086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68006383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67782 + ... + 68777.

It is an arithmetic number, because the mean of its divisors is an integer number (8603280).

Almost surely, 268006382 is an apocalyptic number.

68006382 is an abundant number, since it is smaller than the sum of its proper divisors (69646098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68006382 is a wasteful number, since it uses less digits than its factorization.

68006382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136647.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 68006382 is about 8246.5982077460. The cubic root of 68006382 is about 408.1782789702.

The spelling of 68006382 in words is "sixty-eight million, six thousand, three hundred eighty-two".

Divisors: 1 2 3 6 83 166 249 498 136559 273118 409677 819354 11334397 22668794 34003191 68006382