Search a number
-
+
90474686 = 2231966841
BaseRepresentation
bin1010110010010…
…00100010111110
320022020120221022
411121020202332
5141130142221
612551104142
72146010411
oct531104276
9208216838
1090474686
1147085a75
1226372052
131598a023
14c031b78
157e224ab
hex56488be

90474686 has 8 divisors (see below), whose sum is σ = 141612624. Its totient is φ = 43270480.

The previous prime is 90474679. The next prime is 90474701. The reversal of 90474686 is 68647409.

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

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, 983375 + ... + 983466.

It is an arithmetic number, because the mean of its divisors is an integer number (17701578).

Almost surely, 290474686 is an apocalyptic number.

90474686 is a deficient number, since it is larger than the sum of its proper divisors (51137938).

90474686 is a wasteful number, since it uses less digits than its factorization.

90474686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966866.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 90474686 is about 9511.8182278679. The cubic root of 90474686 is about 448.9269676504.

The spelling of 90474686 in words is "ninety million, four hundred seventy-four thousand, six hundred eighty-six".

Divisors: 1 2 23 46 1966841 3933682 45237343 90474686