Search a number
-
+
78090333 = 3173149393
BaseRepresentation
bin1001010011110…
…01000001011101
312102221101210120
410221321001131
5124442342313
611425425153
71635520416
oct451710135
9172841716
1078090333
1140097472
122219b1b9
13132420c9
14a52a80d
156cc7d23
hex4a7905d

78090333 has 16 divisors (see below), whose sum is σ = 113803776. Its totient is φ = 47416320.

The previous prime is 78090329. The next prime is 78090349. The reversal of 78090333 is 33309087.

It is not a de Polignac number, because 78090333 - 22 = 78090329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78090294 and 78090303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78090373) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23116 + ... + 26277.

It is an arithmetic number, because the mean of its divisors is an integer number (7112736).

Almost surely, 278090333 is an apocalyptic number.

It is an amenable number.

78090333 is a deficient number, since it is larger than the sum of its proper divisors (35713443).

78090333 is a wasteful number, since it uses less digits than its factorization.

78090333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49444.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 78090333 is about 8836.8734855717. The cubic root of 78090333 is about 427.4307455956.

The spelling of 78090333 in words is "seventy-eight million, ninety thousand, three hundred thirty-three".

Divisors: 1 3 17 31 51 93 527 1581 49393 148179 839681 1531183 2519043 4593549 26030111 78090333