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89539906 = 257017853
BaseRepresentation
bin1010101011001…
…00010101000010
320020111002122211
411111210111002
5140410234111
612515052334
72135035201
oct525442502
9206432584
1089539906
11465a7725
1225ba10aa
13157206c1
14bc6b238
157cda521
hex5564542

89539906 has 8 divisors (see below), whose sum is σ = 134350524. Its totient is φ = 44756400.

The previous prime is 89539831. The next prime is 89539909. The reversal of 89539906 is 60993598.

It can be written as a sum of positive squares in 2 ways, for example, as 88078225 + 1461681 = 9385^2 + 1209^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 89539906.

It is not an unprimeable number, because it can be changed into a prime (89539909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7476 + ... + 15328.

Almost surely, 289539906 is an apocalyptic number.

89539906 is a deficient number, since it is larger than the sum of its proper divisors (44810618).

89539906 is a wasteful number, since it uses less digits than its factorization.

89539906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13556.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 89539906 is about 9462.5528268010. The cubic root of 89539906 is about 447.3755150345.

The spelling of 89539906 in words is "eighty-nine million, five hundred thirty-nine thousand, nine hundred six".

Divisors: 1 2 5701 7853 11402 15706 44769953 89539906