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889940093 = 71517191171
BaseRepresentation
bin110101000010110…
…110100001111101
32022000120122022012
4311002312201331
53310311040333
6224150301005
731024236350
oct6502664175
92260518265
10889940093
11417391189
1220a057765
131124b3793
148629c297
15531e0e48
hex350b687d

889940093 has 16 divisors (see below), whose sum is σ = 1026109440. Its totient is φ = 756054000.

The previous prime is 889940071. The next prime is 889940111. The reversal of 889940093 is 390049988.

It is a cyclic number.

It is not a de Polignac number, because 889940093 - 28 = 889939837 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 (889940003) 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, 759398 + ... + 760568.

It is an arithmetic number, because the mean of its divisors is an integer number (64131840).

Almost surely, 2889940093 is an apocalyptic number.

It is an amenable number.

889940093 is a deficient number, since it is larger than the sum of its proper divisors (136169347).

889940093 is a wasteful number, since it uses less digits than its factorization.

889940093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 889940093 is about 29831.8637198550. The cubic root of 889940093 is about 961.8785888936.

The spelling of 889940093 in words is "eight hundred eighty-nine million, nine hundred forty thousand, ninety-three".

Divisors: 1 7 151 719 1057 1171 5033 8197 108569 176821 759983 841949 1237747 5893643 127134299 889940093