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890202213 = 3298911357
BaseRepresentation
bin110101000011110…
…110100001100101
32022001001221212100
4311003312201211
53310342432323
6224200042313
731026410505
oct6503664145
92261057770
10890202213
1141755010a
1220a163399
13112575b94
1486329a05
1553243943
hex350f6865

890202213 has 6 divisors (see below), whose sum is σ = 1285847654. Its totient is φ = 593468136.

The previous prime is 890202199. The next prime is 890202233. The reversal of 890202213 is 312202098.

It is a happy number.

890202213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 585978849 + 304223364 = 24207^2 + 17442^2 .

It is not a de Polignac number, because 890202213 - 24 = 890202197 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 (890202233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49455670 + ... + 49455687.

Almost surely, 2890202213 is an apocalyptic number.

It is an amenable number.

890202213 is a deficient number, since it is larger than the sum of its proper divisors (395645441).

890202213 is a wasteful number, since it uses less digits than its factorization.

890202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98911363 (or 98911360 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 890202213 is about 29836.2566854490. The cubic root of 890202213 is about 961.9730157988.

The spelling of 890202213 in words is "eight hundred ninety million, two hundred two thousand, two hundred thirteen".

Divisors: 1 3 9 98911357 296734071 890202213