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89618495 = 553338183
BaseRepresentation
bin1010101011101…
…11100000111111
320020122002110112
411111313200333
5140420242440
612520500235
72135513261
oct525674077
9206562415
1089618495
114665077a
122601a67b
131574a3c5
14bc8bb31
157d03965
hex557783f

89618495 has 8 divisors (see below), whose sum is σ = 109571616. Its totient is φ = 70341856.

The previous prime is 89618471. The next prime is 89618521. The reversal of 89618495 is 59481698.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89618495 - 28 = 89618239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 168827 + ... + 169356.

It is an arithmetic number, because the mean of its divisors is an integer number (13696452).

Almost surely, 289618495 is an apocalyptic number.

89618495 is a deficient number, since it is larger than the sum of its proper divisors (19953121).

89618495 is a wasteful number, since it uses less digits than its factorization.

89618495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338241.

The product of its digits is 622080, while the sum is 50.

The square root of 89618495 is about 9466.7045480463. The cubic root of 89618495 is about 447.5063636310.

It can be divided in two parts, 896 and 18495, that added together give a palindrome (19391).

The spelling of 89618495 in words is "eighty-nine million, six hundred eighteen thousand, four hundred ninety-five".

Divisors: 1 5 53 265 338183 1690915 17923699 89618495