Search a number
-
+
68674112 = 2613591399
BaseRepresentation
bin1000001011111…
…10001001000000
311210020000011122
410011332021000
5120040032422
610451531412
71462502033
oct405761100
9153200148
1068674112
1135845971
121abb9b68
13112c6190
14919901a
156067d42
hex417e240

68674112 has 56 divisors (see below), whose sum is σ = 149352000. Its totient is φ = 31136256.

The previous prime is 68674079. The next prime is 68674153. The reversal of 68674112 is 21147686.

It is a super-2 number, since 2×686741122 = 9432267317977088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48389 + ... + 49787.

It is an arithmetic number, because the mean of its divisors is an integer number (2667000).

Almost surely, 268674112 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 68674112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74676000).

68674112 is an abundant number, since it is smaller than the sum of its proper divisors (80677888).

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

68674112 is a wasteful number, since it uses less digits than its factorization.

68674112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483 (or 1473 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 68674112 is about 8286.9844937709. The cubic root of 68674112 is about 409.5098485270.

It can be divided in two parts, 68674 and 112, that added together give a palindrome (68786).

The spelling of 68674112 in words is "sixty-eight million, six hundred seventy-four thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 59 64 104 118 208 236 416 472 767 832 944 1399 1534 1888 2798 3068 3776 5596 6136 11192 12272 18187 22384 24544 36374 44768 49088 72748 82541 89536 145496 165082 290992 330164 581984 660328 1073033 1163968 1320656 2146066 2641312 4292132 5282624 8584264 17168528 34337056 68674112