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89261161 = 1111816871
BaseRepresentation
bin1010101001000…
…00010001101001
320012221221021221
411110200101221
5140322324121
612505102041
72132464423
oct524402151
9205857257
1089261161
1146427260
1225a87921
1315653872
14bbd7813
157c82b41
hex5520469

89261161 has 8 divisors (see below), whose sum is σ = 97472448. Its totient is φ = 81066000.

The previous prime is 89261119. The next prime is 89261189. The reversal of 89261161 is 16116298.

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

It is a cyclic number.

It is not a de Polignac number, because 89261161 - 219 = 88736873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89261461) 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, 9556 + ... + 16426.

It is an arithmetic number, because the mean of its divisors is an integer number (12184056).

Almost surely, 289261161 is an apocalyptic number.

It is an amenable number.

89261161 is a deficient number, since it is larger than the sum of its proper divisors (8211287).

89261161 is a wasteful number, since it uses less digits than its factorization.

89261161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063.

The product of its digits is 5184, while the sum is 34.

The square root of 89261161 is about 9447.8124981395. The cubic root of 89261161 is about 446.9107936902.

The spelling of 89261161 in words is "eighty-nine million, two hundred sixty-one thousand, one hundred sixty-one".

Divisors: 1 11 1181 6871 12991 75581 8114651 89261161