Search a number
-
+
68629146 = 2389128519
BaseRepresentation
bin1000001011100…
…11001010011010
311210010201111020
410011303022122
5120032113041
610450543310
71462223655
oct405631232
9153121436
1068629146
1135815103
121ab97b36
13112ab881
14918689c
156059866
hex417329a

68629146 has 16 divisors (see below), whose sum is σ = 138801600. Its totient is φ = 22619168.

The previous prime is 68629139. The next prime is 68629157. The reversal of 68629146 is 64192686.

It is a junction number, because it is equal to n+sod(n) for n = 68629098 and 68629107.

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, 63726 + ... + 64793.

It is an arithmetic number, because the mean of its divisors is an integer number (8675100).

Almost surely, 268629146 is an apocalyptic number.

68629146 is an abundant number, since it is smaller than the sum of its proper divisors (70172454).

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

68629146 is a wasteful number, since it uses less digits than its factorization.

68629146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128613.

The product of its digits is 124416, while the sum is 42.

The square root of 68629146 is about 8284.2709999130. The cubic root of 68629146 is about 409.4204502575.

The spelling of 68629146 in words is "sixty-eight million, six hundred twenty-nine thousand, one hundred forty-six".

Divisors: 1 2 3 6 89 178 267 534 128519 257038 385557 771114 11438191 22876382 34314573 68629146