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68038034 = 281141947
BaseRepresentation
bin1000000111000…
…10110110010010
311202000200122012
410003202312102
5114404204114
610430142522
71454212421
oct403426622
9152020565
1068038034
1135450a89
121a951a42
13111327bc
1490712b8
155e8e63e
hex40e2d92

68038034 has 8 divisors (see below), whose sum is σ = 102185328. Its totient is φ = 33976260.

The previous prime is 68038021. The next prime is 68038037. The reversal of 68038034 is 43083086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68038037) 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 3 ways as a sum of consecutive naturals, for example, 19352 + ... + 22595.

It is an arithmetic number, because the mean of its divisors is an integer number (12773166).

Almost surely, 268038034 is an apocalyptic number.

68038034 is a deficient number, since it is larger than the sum of its proper divisors (34147294).

68038034 is a wasteful number, since it uses less digits than its factorization.

68038034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42760.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 68038034 is about 8248.5170788451. The cubic root of 68038034 is about 408.2415948661.

The spelling of 68038034 in words is "sixty-eight million, thirty-eight thousand, thirty-four".

Divisors: 1 2 811 1622 41947 83894 34019017 68038034