Search a number
-
+
89390 = 2571277
BaseRepresentation
bin10101110100101110
311112121202
4111310232
510330030
61525502
7521420
oct256456
9145552
1089390
1161184
1243892
13318c2
1424810
151b745
hex15d2e

89390 has 16 divisors (see below), whose sum is σ = 184032. Its totient is φ = 30624.

The previous prime is 89387. The next prime is 89393. The reversal of 89390 is 9398.

It is an interprime number because it is at equal distance from previous prime (89387) and next prime (89393).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569 + ... + 708.

It is an arithmetic number, because the mean of its divisors is an integer number (11502).

289390 is an apocalyptic number.

89390 is an abundant number, since it is smaller than the sum of its proper divisors (94642).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92016).

89390 is a wasteful number, since it uses less digits than its factorization.

89390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 89390 is about 298.9816047853. The cubic root of 89390 is about 44.7125713065.

The spelling of 89390 in words is "eighty-nine thousand, three hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 1277 2554 6385 8939 12770 17878 44695 89390