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90230 = 2571289
BaseRepresentation
bin10110000001110110
311120202212
4112001312
510341410
61533422
7524030
oct260166
9146685
1090230
1161878
1244272
13320ba
1424c50
151bb05
hex16076

90230 has 16 divisors (see below), whose sum is σ = 185760. Its totient is φ = 30912.

The previous prime is 90227. The next prime is 90239. The reversal of 90230 is 3209.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90239) 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, 575 + ... + 714.

It is an arithmetic number, because the mean of its divisors is an integer number (11610).

290230 is an apocalyptic number.

90230 is an abundant number, since it is smaller than the sum of its proper divisors (95530).

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 (92880).

90230 is a wasteful number, since it uses less digits than its factorization.

90230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 90230 is about 300.3830887384. The cubic root of 90230 is about 44.8521899216.

Adding to 90230 its reverse (3209), we get a palindrome (93439).

The spelling of 90230 in words is "ninety thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1289 2578 6445 9023 12890 18046 45115 90230