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889216384 = 277992429
BaseRepresentation
bin110101000000000…
…101110110000000
32021222012212120011
4311000011312000
53310114411014
6224122554304
731015133410
oct6500056600
92258185504
10889216384
11416a37481
12209968994
131122bc254
1486150640
15530eb7c4
hex35005d80

889216384 has 32 divisors (see below), whose sum is σ = 2024557200. Its totient is φ = 381092352.

The previous prime is 889216381. The next prime is 889216439. The reversal of 889216384 is 483612988.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×8892163843 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889216381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495319 + ... + 497110.

Almost surely, 2889216384 is an apocalyptic number.

It is an amenable number.

889216384 is an abundant number, since it is smaller than the sum of its proper divisors (1135340816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

889216384 is an equidigital number, since it uses as much as digits as its factorization.

889216384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992450 (or 992438 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 889216384 is about 29819.7314541899. The cubic root of 889216384 is about 961.6177814603.

The spelling of 889216384 in words is "eight hundred eighty-nine million, two hundred sixteen thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 992429 1984858 3969716 6947003 7939432 13894006 15878864 27788012 31757728 55576024 63515456 111152048 127030912 222304096 444608192 889216384