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89896761 = 3221147339
BaseRepresentation
bin1010101101110…
…11011100111001
320021011020011200
411112323130321
5141003144021
612530444413
72141052453
oct526733471
9207136150
1089896761
1146820849
1226133709
1315816c66
14bd212d3
157d5b126
hex55bb739

89896761 has 12 divisors (see below), whose sum is σ = 130469040. Its totient is φ = 59645880.

The previous prime is 89896757. The next prime is 89896783. The reversal of 89896761 is 16769898.

It is not a de Polignac number, because 89896761 - 22 = 89896757 is a prime.

It is a super-2 number, since 2×898967612 = 16162855276582242, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 89896698 and 89896707.

It is not an unprimeable number, because it can be changed into a prime (89896711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21771 + ... + 25568.

It is an arithmetic number, because the mean of its divisors is an integer number (10872420).

Almost surely, 289896761 is an apocalyptic number.

It is an amenable number.

89896761 is a deficient number, since it is larger than the sum of its proper divisors (40572279).

89896761 is a wasteful number, since it uses less digits than its factorization.

89896761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47556 (or 47553 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 89896761 is about 9481.3902461612. The cubic root of 89896761 is about 447.9690551144.

The spelling of 89896761 in words is "eighty-nine million, eight hundred ninety-six thousand, seven hundred sixty-one".

Divisors: 1 3 9 211 633 1899 47339 142017 426051 9988529 29965587 89896761