Search a number
-
+
68634112 = 29373623
BaseRepresentation
bin1000001011101…
…00011000000000
311210010222022011
410011310120000
5120032242422
610451022304
71462244311
oct405643000
9153128264
1068634112
1135818908
121ab9a994
13112b0c01
149188608
15605b077
hex4174600

68634112 has 40 divisors (see below), whose sum is σ = 140879376. Its totient is φ = 33380352.

The previous prime is 68634109. The next prime is 68634113. The reversal of 68634112 is 21143686.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68634113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17133 + ... + 20755.

Almost surely, 268634112 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 68634112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70439688).

68634112 is an abundant number, since it is smaller than the sum of its proper divisors (72245264).

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

68634112 is an equidigital number, since it uses as much as digits as its factorization.

68634112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678 (or 3662 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 68634112 is about 8284.5707191139. The cubic root of 68634112 is about 409.4303252306.

Adding to 68634112 its reverse (21143686), we get a palindrome (89777798).

The spelling of 68634112 in words is "sixty-eight million, six hundred thirty-four thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 37 64 74 128 148 256 296 512 592 1184 2368 3623 4736 7246 9472 14492 18944 28984 57968 115936 134051 231872 268102 463744 536204 927488 1072408 1854976 2144816 4289632 8579264 17158528 34317056 68634112