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68414000 = 245379433
BaseRepresentation
bin1000001001111…
…10101000110000
311202201210100212
410010332220300
5120003222000
610442203252
71460336504
oct404765060
9152653325
1068414000
11356884a6
121aab3528
1311234975
14912c304
156015c35
hex413ea30

68414000 has 80 divisors (see below), whose sum is σ = 167905920. Its totient is φ = 26956800.

The previous prime is 68413997. The next prime is 68414009. The reversal of 68414000 is 41486.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (68414009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157784 + ... + 158216.

It is an arithmetic number, because the mean of its divisors is an integer number (2098824).

Almost surely, 268414000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68414000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83952960).

68414000 is an abundant number, since it is smaller than the sum of its proper divisors (99491920).

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

68414000 is a wasteful number, since it uses less digits than its factorization.

68414000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 68414000 is about 8271.2755969076. The cubic root of 68414000 is about 408.9921707083.

Adding to 68414000 its reverse (41486), we get a palindrome (68455486).

The spelling of 68414000 in words is "sixty-eight million, four hundred fourteen thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 79 80 100 125 158 200 250 316 395 400 433 500 632 790 866 1000 1264 1580 1732 1975 2000 2165 3160 3464 3950 4330 6320 6928 7900 8660 9875 10825 15800 17320 19750 21650 31600 34207 34640 39500 43300 54125 68414 79000 86600 108250 136828 158000 171035 173200 216500 273656 342070 433000 547312 684140 855175 866000 1368280 1710350 2736560 3420700 4275875 6841400 8551750 13682800 17103500 34207000 68414000