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101230 = 2553191
BaseRepresentation
bin11000101101101110
312010212021
4120231232
511214410
62100354
7601063
oct305556
9163767
10101230
116a068
124a6ba
13370cc
1428c6a
151eeda
hex18b6e

101230 has 16 divisors (see below), whose sum is σ = 186624. Its totient is φ = 39520.

The previous prime is 101221. The next prime is 101267. The reversal of 101230 is 32101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435 + ... + 625.

It is an arithmetic number, because the mean of its divisors is an integer number (11664).

2101230 is an apocalyptic number.

101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101230 is a deficient number, since it is larger than the sum of its proper divisors (85394).

101230 is a wasteful number, since it uses less digits than its factorization.

101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 101230 is about 318.1666230138. The cubic root of 101230 is about 46.6054185156.

Adding to 101230 its reverse (32101), we get a palindrome (133331).

The spelling of 101230 in words is "one hundred one thousand, two hundred thirty".

Divisors: 1 2 5 10 53 106 191 265 382 530 955 1910 10123 20246 50615 101230