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68634000 = 2433533141
BaseRepresentation
bin1000001011101…
…00010110010000
311210010222011000
410011310112100
5120032242000
610451022000
71462244061
oct405642620
9153128130
1068634000
1135818816
121ab9a900
13112b0b46
149188568
15605b000
hex4174590

68634000 has 320 divisors, whose sum is σ = 259983360. Its totient is φ = 17280000.

The previous prime is 68633953. The next prime is 68634011. The reversal of 68634000 is 43686.

Adding to 68634000 its reverse (43686), we get a palindrome (68677686).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1673980 + ... + 1674020.

It is an arithmetic number, because the mean of its divisors is an integer number (812448).

Almost surely, 268634000 is an apocalyptic number.

68634000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68634000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129991680).

68634000 is an abundant number, since it is smaller than the sum of its proper divisors (191349360).

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

68634000 is a wasteful number, since it uses less digits than its factorization.

68634000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 68634000 is about 8284.5639595576. The cubic root of 68634000 is about 409.4301025220.

The spelling of 68634000 in words is "sixty-eight million, six hundred thirty-four thousand".