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889440093 = 32307321911
BaseRepresentation
bin110101000000111…
…100011101011101
32021222122020102200
4311000330131131
53310144040333
6224131442113
731020054543
oct6500743535
92258566380
10889440093
1141707a563
12209a56339
1311236a019
14861abd93
1553142c13
hex3503c75d

889440093 has 12 divisors (see below), whose sum is σ = 1288935648. Its totient is φ = 591026760.

The previous prime is 889440067. The next prime is 889440113. The reversal of 889440093 is 390044988.

It is a happy number.

It is not a de Polignac number, because 889440093 - 26 = 889440029 is a prime.

It is a super-2 number, since 2×8894400932 = 1582207358071697298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889440043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158193 + ... + 163718.

It is an arithmetic number, because the mean of its divisors is an integer number (107411304).

Almost surely, 2889440093 is an apocalyptic number.

It is an amenable number.

889440093 is a deficient number, since it is larger than the sum of its proper divisors (399495555).

889440093 is a wasteful number, since it uses less digits than its factorization.

889440093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322224 (or 322221 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 889440093 is about 29823.4822413480. The cubic root of 889440093 is about 961.6984159449.

The spelling of 889440093 in words is "eight hundred eighty-nine million, four hundred forty thousand, ninety-three".

Divisors: 1 3 9 307 921 2763 321911 965733 2897199 98826677 296480031 889440093