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89376749 = 7111517687
BaseRepresentation
bin1010101001111…
…00011111101101
320020011210211222
411110330133231
5140340023444
612511353125
72133455420
oct524743755
9206153758
1089376749
11464a6090
1225b227a5
1315694367
14bc279b7
157ca6eee
hex553c7ed

89376749 has 16 divisors (see below), whose sum is σ = 112183296. Its totient is φ = 69174000.

The previous prime is 89376659. The next prime is 89376757. The reversal of 89376749 is 94767398.

It is not a de Polignac number, because 89376749 - 28 = 89376493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89376749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89372749) 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 15 ways as a sum of consecutive naturals, for example, 7784 + ... + 15470.

It is an arithmetic number, because the mean of its divisors is an integer number (7011456).

Almost surely, 289376749 is an apocalyptic number.

It is an amenable number.

89376749 is a deficient number, since it is larger than the sum of its proper divisors (22806547).

89376749 is a wasteful number, since it uses less digits than its factorization.

89376749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7856.

The product of its digits is 2286144, while the sum is 53.

The square root of 89376749 is about 9453.9277022833. The cubic root of 89376749 is about 447.1036182903.

The spelling of 89376749 in words is "eighty-nine million, three hundred seventy-six thousand, seven hundred forty-nine".

Divisors: 1 7 11 77 151 1057 1661 7687 11627 53809 84557 591899 1160737 8125159 12768107 89376749