Search a number
-
+
68897474 = 2152322619
BaseRepresentation
bin1000001101101…
…00101011000010
311210122100120022
410012310223002
5120114204344
610500413442
71464422162
oct406645302
9153570508
1068897474
1135988768
121b0a7282
1311373a49
1492165a2
1560ae0ee
hex41b4ac2

68897474 has 8 divisors (see below), whose sum is σ = 103418640. Its totient is φ = 34424596.

The previous prime is 68897461. The next prime is 68897503. The reversal of 68897474 is 47479886.

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

It is a Curzon number.

It is an unprimeable number.

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, 8264 + ... + 14355.

It is an arithmetic number, because the mean of its divisors is an integer number (12927330).

Almost surely, 268897474 is an apocalyptic number.

68897474 is a deficient number, since it is larger than the sum of its proper divisors (34521166).

68897474 is a wasteful number, since it uses less digits than its factorization.

68897474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24144.

The product of its digits is 2709504, while the sum is 53.

The square root of 68897474 is about 8300.4502287527. The cubic root of 68897474 is about 409.9533438879.

The spelling of 68897474 in words is "sixty-eight million, eight hundred ninety-seven thousand, four hundred seventy-four".

Divisors: 1 2 1523 3046 22619 45238 34448737 68897474