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89075939 = 131679969
BaseRepresentation
bin1010100111100…
…11000011100011
320012121112012212
411103303003203
5140300412224
612501112335
72131063421
oct523630343
9205545185
1089075939
1146310087
12259b86ab
13155ba474
14bb8a111
157c47d0e
hex54f30e3

89075939 has 4 divisors (see below), whose sum is σ = 89756040. Its totient is φ = 88395840.

The previous prime is 89075923. The next prime is 89075947. The reversal of 89075939 is 93957098.

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 89075939 - 24 = 89075923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89075639) 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, 339854 + ... + 340115.

It is an arithmetic number, because the mean of its divisors is an integer number (22439010).

Almost surely, 289075939 is an apocalyptic number.

89075939 is a deficient number, since it is larger than the sum of its proper divisors (680101).

89075939 is a wasteful number, since it uses less digits than its factorization.

89075939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680100.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 89075939 is about 9438.0050328446. The cubic root of 89075939 is about 446.6014578329.

The spelling of 89075939 in words is "eighty-nine million, seventy-five thousand, nine hundred thirty-nine".

Divisors: 1 131 679969 89075939