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89927801 = 4114812
BaseRepresentation
bin1010101110000…
…11000001111001
320021012210202022
411113003001321
5141010142201
612531244225
72141242115
oct527030171
9207183668
1089927801
11468420a7
1226149675
1315828122
14bd2c745
157d6541b
hex55c3079

89927801 has 6 divisors (see below), whose sum is σ = 92183406. Its totient is φ = 87675200.

The previous prime is 89927791. The next prime is 89927821. The reversal of 89927801 is 10872998.

It can be written as a sum of positive squares in 3 ways, for example, as 133225 + 89794576 = 365^2 + 9476^2 .

It is not a de Polignac number, because 89927801 - 214 = 89911417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89927821) 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 5 ways as a sum of consecutive naturals, for example, 59981 + ... + 61461.

It is an arithmetic number, because the mean of its divisors is an integer number (15363901).

Almost surely, 289927801 is an apocalyptic number.

It is an amenable number.

89927801 is a deficient number, since it is larger than the sum of its proper divisors (2255605).

89927801 is an frugal number, since it uses more digits than its factorization.

89927801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 89927801 is about 9483.0269956380. The cubic root of 89927801 is about 448.0206081746.

The spelling of 89927801 in words is "eighty-nine million, nine hundred twenty-seven thousand, eight hundred one".

Divisors: 1 41 1481 60721 2193361 89927801