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889006881 = 37371144153
BaseRepresentation
bin110100111111010…
…010101100100001
32021221211020011210
4310333102230201
53310041210011
6224114300333
731013301540
oct6477225441
92257736153
10889006881
11416904034
122098876a9
13112247a99
14860d8157
15530a96a6
hex34fd2b21

889006881 has 16 divisors (see below), whose sum is σ = 1391291264. Its totient is φ = 494273664.

The previous prime is 889006841. The next prime is 889006883. The reversal of 889006881 is 188600988.

It is not a de Polignac number, because 889006881 - 26 = 889006817 is a prime.

It is a super-2 number, since 2×8890068812 = 1580666468930696322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 889006881.

It is not an unprimeable number, because it can be changed into a prime (889006883) 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, 571300 + ... + 572853.

It is an arithmetic number, because the mean of its divisors is an integer number (86955704).

Almost surely, 2889006881 is an apocalyptic number.

It is an amenable number.

889006881 is a deficient number, since it is larger than the sum of its proper divisors (502284383).

889006881 is a wasteful number, since it uses less digits than its factorization.

889006881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144200.

The product of its (nonzero) digits is 221184, while the sum is 48.

The square root of 889006881 is about 29816.2184221943. The cubic root of 889006881 is about 961.5422551739.

The spelling of 889006881 in words is "eight hundred eighty-nine million, six thousand, eight hundred eighty-one".

Divisors: 1 3 7 21 37 111 259 777 1144153 3432459 8009071 24027213 42333661 127000983 296335627 889006881