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89941345 = 5131923833
BaseRepresentation
bin1010101110001…
…10010101100001
320021020111022221
411113012111201
5141011110340
612531431041
72141326444
oct527062541
9207214287
1089941345
114685129a
1226155481
1315831340
14bd3365b
157d6944a
hex55c6561

89941345 has 24 divisors (see below), whose sum is σ = 122703336. Its totient is φ = 62906112.

The previous prime is 89941303. The next prime is 89941349. The reversal of 89941345 is 54314998.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51984 + 89889361 = 228^2 + 9481^2 .

It is not a de Polignac number, because 89941345 - 219 = 89417057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89941349) 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 23 ways as a sum of consecutive naturals, for example, 21549 + ... + 25381.

It is an arithmetic number, because the mean of its divisors is an integer number (5112639).

Almost surely, 289941345 is an apocalyptic number.

It is an amenable number.

89941345 is a deficient number, since it is larger than the sum of its proper divisors (32761991).

89941345 is a wasteful number, since it uses less digits than its factorization.

89941345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889 (or 3870 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 89941345 is about 9483.7410867231. The cubic root of 89941345 is about 448.0430991301.

The spelling of 89941345 in words is "eighty-nine million, nine hundred forty-one thousand, three hundred forty-five".

Divisors: 1 5 13 19 65 95 247 361 1235 1805 3833 4693 19165 23465 49829 72827 249145 364135 946751 1383713 4733755 6918565 17988269 89941345