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889633841 = 29269114041
BaseRepresentation
bin110101000001101…
…011110000110001
32022000000002012112
4311001223300301
53310221240331
6224135535105
731021522445
oct6501536061
92260002175
10889633841
114171a2088
12209b2a495
13112407275
148621c825
155318032b
hex3506bc31

889633841 has 8 divisors (see below), whose sum is σ = 923740200. Its totient is φ = 855756160.

The previous prime is 889633807. The next prime is 889633873. The reversal of 889633841 is 148336988.

It can be written as a sum of positive squares in 4 ways, for example, as 6355441 + 883278400 = 2521^2 + 29720^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 889633841 - 210 = 889632817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 889633841.

It is not an unprimeable number, because it can be changed into a prime (889633891) 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, 49220 + ... + 64821.

It is an arithmetic number, because the mean of its divisors is an integer number (115467525).

Almost surely, 2889633841 is an apocalyptic number.

It is an amenable number.

889633841 is a deficient number, since it is larger than the sum of its proper divisors (34106359).

889633841 is a wasteful number, since it uses less digits than its factorization.

889633841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114339.

The product of its digits is 995328, while the sum is 50.

The square root of 889633841 is about 29826.7303102435. The cubic root of 889633841 is about 961.7682402529.

The spelling of 889633841 in words is "eight hundred eighty-nine million, six hundred thirty-three thousand, eight hundred forty-one".

Divisors: 1 29 269 7801 114041 3307189 30677029 889633841