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89387099 = 831076953
BaseRepresentation
bin1010101001111…
…11000001011011
320020012100001022
411110333001123
5140340341344
612511513055
72133530534
oct524770133
9206170038
1089387099
114650293a
1225b2878b
1315698c99
14bc2b68b
157caa0ee
hex553f05b

89387099 has 4 divisors (see below), whose sum is σ = 90464136. Its totient is φ = 88310064.

The previous prime is 89387063. The next prime is 89387101. The reversal of 89387099 is 99078398.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89387099 - 216 = 89321563 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 89387099.

It is not an unprimeable number, because it can be changed into a prime (89387029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538394 + ... + 538559.

It is an arithmetic number, because the mean of its divisors is an integer number (22616034).

Almost surely, 289387099 is an apocalyptic number.

89387099 is a deficient number, since it is larger than the sum of its proper divisors (1077037).

89387099 is a wasteful number, since it uses less digits than its factorization.

89387099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077036.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 89387099 is about 9454.4750779723. The cubic root of 89387099 is about 447.1208761114.

The spelling of 89387099 in words is "eighty-nine million, three hundred eighty-seven thousand, ninety-nine".

Divisors: 1 83 1076953 89387099