Search a number
-
+
90673833 = 31910714867
BaseRepresentation
bin1010110011110…
…01001010101001
320022121201010010
411121321022221
5141203030313
612555242133
72150500125
oct531711251
9208551103
1090673833
1147201658
1226449349
1315a29873
14c084585
157e614c3
hex56792a9

90673833 has 16 divisors (see below), whose sum is σ = 128459520. Its totient is φ = 56728656.

The previous prime is 90673829. The next prime is 90673841. The reversal of 90673833 is 33837609.

It is not a de Polignac number, because 90673833 - 22 = 90673829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90673791 and 90673800.

It is not an unprimeable number, because it can be changed into a prime (90673873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1335 + ... + 13532.

It is an arithmetic number, because the mean of its divisors is an integer number (8028720).

Almost surely, 290673833 is an apocalyptic number.

It is an amenable number.

90673833 is a deficient number, since it is larger than the sum of its proper divisors (37785687).

90673833 is a wasteful number, since it uses less digits than its factorization.

90673833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14996.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 90673833 is about 9522.2808717240. The cubic root of 90673833 is about 449.2561092304.

The spelling of 90673833 in words is "ninety million, six hundred seventy-three thousand, eight hundred thirty-three".

Divisors: 1 3 19 57 107 321 2033 6099 14867 44601 282473 847419 1590769 4772307 30224611 90673833