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889112407 = 3174396389
BaseRepresentation
bin110100111111101…
…100011101010111
32021222000120221011
4310333230131113
53310103044112
6224120433051
731014221311
oct6477543527
92258016834
10889112407
11416976347
12209918787
13112283b21
14861247b1
15530caaa7
hex34fec757

889112407 has 8 divisors (see below), whose sum is σ = 894088800. Its totient is φ = 884150304.

The previous prime is 889112387. The next prime is 889112437. The reversal of 889112407 is 704211988.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-889112407 is a prime.

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 889112407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889112437) 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, 135969 + ... + 142357.

It is an arithmetic number, because the mean of its divisors is an integer number (111761100).

Almost surely, 2889112407 is an apocalyptic number.

889112407 is a deficient number, since it is larger than the sum of its proper divisors (4976393).

889112407 is a wasteful number, since it uses less digits than its factorization.

889112407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 889112407 is about 29817.9879770584. The cubic root of 889112407 is about 961.5802990090.

The spelling of 889112407 in words is "eight hundred eighty-nine million, one hundred twelve thousand, four hundred seven".

Divisors: 1 317 439 6389 139163 2025313 2804771 889112407