Search a number
-
+
890073149 = 7532399119
BaseRepresentation
bin110101000011010…
…111000000111101
32022000211101211012
4311003113000331
53310324320044
6224153205005
731025332310
oct6503270075
92260741735
10890073149
11417472149
1220a100765
1311252c204
14862d4977
155321a59e
hex350d703d

890073149 has 8 divisors (see below), whose sum is σ = 1036419840. Its totient is φ = 748524816.

The previous prime is 890073139. The next prime is 890073157. The reversal of 890073149 is 941370098.

It is a happy number.

890073149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-890073149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890073109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199189 + ... + 1199930.

It is an arithmetic number, because the mean of its divisors is an integer number (129552480).

Almost surely, 2890073149 is an apocalyptic number.

It is an amenable number.

890073149 is a deficient number, since it is larger than the sum of its proper divisors (146346691).

890073149 is a wasteful number, since it uses less digits than its factorization.

890073149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399179.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 890073149 is about 29834.0937351883. The cubic root of 890073149 is about 961.9265237081.

The spelling of 890073149 in words is "eight hundred ninety million, seventy-three thousand, one hundred forty-nine".

Divisors: 1 7 53 371 2399119 16793833 127153307 890073149