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89869433 = 97926489
BaseRepresentation
bin1010101101101…
…00110001111001
320021002211200112
411112310301321
5141001310213
612530114105
72140610003
oct526646171
9207084615
1089869433
1146802265
122611b935
13158076a4
14bd15373
157d52ea8
hex55b4c79

89869433 has 4 divisors (see below), whose sum is σ = 90796020. Its totient is φ = 88942848.

The previous prime is 89869427. The next prime is 89869453. The reversal of 89869433 is 33496898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33496898 = 216748449.

It can be written as a sum of positive squares in 2 ways, for example, as 51093904 + 38775529 = 7148^2 + 6227^2 .

It is a cyclic number.

It is not a de Polignac number, because 89869433 - 216 = 89803897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89869453) 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, 463148 + ... + 463341.

It is an arithmetic number, because the mean of its divisors is an integer number (22699005).

Almost surely, 289869433 is an apocalyptic number.

It is an amenable number.

89869433 is a deficient number, since it is larger than the sum of its proper divisors (926587).

89869433 is an equidigital number, since it uses as much as digits as its factorization.

89869433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926586.

The product of its digits is 1119744, while the sum is 50.

The square root of 89869433 is about 9479.9489977531. The cubic root of 89869433 is about 447.9236573384.

The spelling of 89869433 in words is "eighty-nine million, eight hundred sixty-nine thousand, four hundred thirty-three".

Divisors: 1 97 926489 89869433