Search a number
-
+
78968854 = 2127310901
BaseRepresentation
bin1001011010011…
…11100000010110
312111121000220101
410231033200112
5130204000404
611500324314
71646136616
oct455174026
9174530811
1078968854
1140637518
122254369a
131348bc43
14a6b8a46
156ded2a4
hex4b4f816

78968854 has 8 divisors (see below), whose sum is σ = 119386368. Its totient is φ = 39173400.

The previous prime is 78968837. The next prime is 78968861. The reversal of 78968854 is 45886987.

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

It is a junction number, because it is equal to n+sod(n) for n = 78968795 and 78968804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155197 + ... + 155704.

It is an arithmetic number, because the mean of its divisors is an integer number (14923296).

Almost surely, 278968854 is an apocalyptic number.

78968854 is a deficient number, since it is larger than the sum of its proper divisors (40417514).

78968854 is a wasteful number, since it uses less digits than its factorization.

78968854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311030.

The product of its digits is 3870720, while the sum is 55.

The square root of 78968854 is about 8886.4421452007. The cubic root of 78968854 is about 429.0276460432.

The spelling of 78968854 in words is "seventy-eight million, nine hundred sixty-eight thousand, eight hundred fifty-four".

Divisors: 1 2 127 254 310901 621802 39484427 78968854