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989272 = 23313989
BaseRepresentation
bin11110001100001011000
31212021000201
43301201120
5223124042
633111544
711260114
oct3614130
91767021
10989272
11616289
123b85b4
1328838b
141ba744
151481b7
hexf1858

989272 has 16 divisors (see below), whose sum is σ = 1915200. Its totient is φ = 478560.

The previous prime is 989251. The next prime is 989279. The reversal of 989272 is 272989.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989279) 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, 1747 + ... + 2242.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

2989272 is an apocalyptic number.

It is an amenable number.

989272 is a deficient number, since it is larger than the sum of its proper divisors (925928).

989272 is a wasteful number, since it uses less digits than its factorization.

989272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026 (or 4022 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 989272 is about 994.6215360628. The cubic root of 989272 is about 99.6411135459.

The spelling of 989272 in words is "nine hundred eighty-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 8 31 62 124 248 3989 7978 15956 31912 123659 247318 494636 989272