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89674387 = 118152217
BaseRepresentation
bin1010101100001…
…01001010010011
320020201221010121
411112011022103
5140424040022
612522011111
72136135235
oct526051223
9206657117
1089674387
1146689770
1226046a97
131576998a
14bca4255
157d152c7
hex5585293

89674387 has 4 divisors (see below), whose sum is σ = 97826616. Its totient is φ = 81522160.

The previous prime is 89674381. The next prime is 89674411. The reversal of 89674387 is 78347698.

It is a happy number.

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 89674387 - 23 = 89674379 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89674381) 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, 4076098 + ... + 4076119.

It is an arithmetic number, because the mean of its divisors is an integer number (24456654).

Almost surely, 289674387 is an apocalyptic number.

89674387 is a deficient number, since it is larger than the sum of its proper divisors (8152229).

89674387 is a wasteful number, since it uses less digits than its factorization.

89674387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152228.

The product of its digits is 2032128, while the sum is 52.

The square root of 89674387 is about 9469.6561183604. The cubic root of 89674387 is about 447.5993757849.

It can be divided in two parts, 89 and 674387, that added together give a palindrome (674476).

The spelling of 89674387 in words is "eighty-nine million, six hundred seventy-four thousand, three hundred eighty-seven".

Divisors: 1 11 8152217 89674387