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100243230 = 23518118461
BaseRepresentation
bin1011111100110…
…01011100011110
320222121212212020
411332121130132
5201130240410
613540321010
72325024213
oct576313436
9228555766
10100243230
115164824a
12296a3166
13179ca429
14d455b0a
158c01a70
hex5f9971e

100243230 has 32 divisors (see below), whose sum is σ = 241926048. Its totient is φ = 26582400.

The previous prime is 100243229. The next prime is 100243261. The reversal of 100243230 is 32342001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3801 + ... + 14660.

It is an arithmetic number, because the mean of its divisors is an integer number (7560189).

Almost surely, 2100243230 is an apocalyptic number.

100243230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100243230 is an abundant number, since it is smaller than the sum of its proper divisors (141682818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100243230 is a wasteful number, since it uses less digits than its factorization.

100243230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18652.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 100243230 is about 10012.1541138758. The cubic root of 100243230 is about 464.5349032122.

Adding to 100243230 its reverse (32342001), we get a palindrome (132585231).

The spelling of 100243230 in words is "one hundred million, two hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 181 362 543 905 1086 1810 2715 5430 18461 36922 55383 92305 110766 184610 276915 553830 3341441 6682882 10024323 16707205 20048646 33414410 50121615 100243230