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89016903 = 3231319057
BaseRepresentation
bin1010100111001…
…00101001000111
320012111112020100
411103210221013
5140242020103
612455535143
72130426333
oct523445107
9205445210
1089016903
114627a798
122598a4b3
1315599631
14bb727c3
157c355a3
hex54e4a47

89016903 has 12 divisors (see below), whose sum is σ = 132728128. Its totient is φ = 57430080.

The previous prime is 89016883. The next prime is 89016929. The reversal of 89016903 is 30961098.

It is not a de Polignac number, because 89016903 - 29 = 89016391 is a prime.

It is a super-2 number, since 2×890169032 = 15848018039422818, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89016943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159250 + ... + 159807.

Almost surely, 289016903 is an apocalyptic number.

89016903 is a deficient number, since it is larger than the sum of its proper divisors (43711225).

89016903 is a wasteful number, since it uses less digits than its factorization.

89016903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319094 (or 319091 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 89016903 is about 9434.8769467333. The cubic root of 89016903 is about 446.5027727829.

The spelling of 89016903 in words is "eighty-nine million, sixteen thousand, nine hundred three".

Divisors: 1 3 9 31 93 279 319057 957171 2871513 9890767 29672301 89016903