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89000672 = 252781271
BaseRepresentation
bin1010100111000…
…00101011100000
320012110200222012
411103200223200
5140241010142
612455332052
72130331115
oct523405340
9205420865
1089000672
1146269582
1225981028
1315592127
14bb6a90c
157c30882
hex54e0ae0

89000672 has 12 divisors (see below), whose sum is σ = 175220136. Its totient is φ = 44500320.

The previous prime is 89000671. The next prime is 89000677. The reversal of 89000672 is 27600098.

It is a super-2 number, since 2×890006722 = 15842239232903168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2781271 = 89000672 / (8 + 9 + 0 + 0 + 0 + 6 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89000671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390604 + ... + 1390667.

It is an arithmetic number, because the mean of its divisors is an integer number (14601678).

Almost surely, 289000672 is an apocalyptic number.

It is an amenable number.

89000672 is a deficient number, since it is larger than the sum of its proper divisors (86219464).

89000672 is a wasteful number, since it uses less digits than its factorization.

89000672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781281 (or 2781273 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 89000672 is about 9434.0167479181. The cubic root of 89000672 is about 446.4756332668.

The spelling of 89000672 in words is "eighty-nine million, six hundred seventy-two", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 2781271 5562542 11125084 22250168 44500336 89000672