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89407 = 293083
BaseRepresentation
bin10101110100111111
311112122101
4111310333
510330112
61525531
7521443
oct256477
9145571
1089407
116119a
12438a7
1331906
1424823
151b757
hex15d3f

89407 has 4 divisors (see below), whose sum is σ = 92520. Its totient is φ = 86296.

The previous prime is 89399. The next prime is 89413. The reversal of 89407 is 70498.

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 89407 - 23 = 89399 is a prime.

It is a super-2 number, since 2×894072 = 15987223298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89417) 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, 1513 + ... + 1570.

It is an arithmetic number, because the mean of its divisors is an integer number (23130).

289407 is an apocalyptic number.

89407 is a deficient number, since it is larger than the sum of its proper divisors (3113).

89407 is a wasteful number, since it uses less digits than its factorization.

89407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 89407 is about 299.0100332765. The cubic root of 89407 is about 44.7154055740.

It can be divided in two parts, 89 and 407, that added together give a triangular number (496 = T31).

The spelling of 89407 in words is "eighty-nine thousand, four hundred seven".

Divisors: 1 29 3083 89407