Search a number
-
+
68951396 = 2231355073
BaseRepresentation
bin1000001110000…
…01110101100100
311210202002112102
410013001311210
5120122421041
610501511232
71465035323
oct407016544
9153662472
1068951396
1135a15228
121b112518
1311392457
14922c0ba
1560c009b
hex41c1d64

68951396 has 12 divisors (see below), whose sum is σ = 121052652. Its totient is φ = 34364928.

The previous prime is 68951369. The next prime is 68951413. The reversal of 68951396 is 69315986.

It can be written as a sum of positive squares in 2 ways, for example, as 29008996 + 39942400 = 5386^2 + 6320^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68951396.

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, 26285 + ... + 28788.

It is an arithmetic number, because the mean of its divisors is an integer number (10087721).

Almost surely, 268951396 is an apocalyptic number.

It is an amenable number.

68951396 is a deficient number, since it is larger than the sum of its proper divisors (52101256).

68951396 is a wasteful number, since it uses less digits than its factorization.

68951396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55390 (or 55388 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 68951396 is about 8303.6977305295. The cubic root of 68951396 is about 410.0602647880.

The spelling of 68951396 in words is "sixty-eight million, nine hundred fifty-one thousand, three hundred ninety-six".

Divisors: 1 2 4 313 626 1252 55073 110146 220292 17237849 34475698 68951396