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100243053 = 32292391607
BaseRepresentation
bin1011111100110…
…01011001101101
320222121212121200
411332121121231
5201130234203
613540320113
72325023541
oct576313155
9228555550
10100243053
11516480a9
12296a3039
13179ca321
14d455a21
158c019a3
hex5f9966d

100243053 has 24 divisors (see below), whose sum is σ = 150508800. Its totient is φ = 64214304.

The previous prime is 100243007. The next prime is 100243061. The reversal of 100243053 is 350342001.

It is not a de Polignac number, because 100243053 - 210 = 100242029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100243063) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 61576 + ... + 63182.

It is an arithmetic number, because the mean of its divisors is an integer number (6271200).

Almost surely, 2100243053 is an apocalyptic number.

It is an amenable number.

100243053 is a deficient number, since it is larger than the sum of its proper divisors (50265747).

100243053 is a wasteful number, since it uses less digits than its factorization.

100243053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 100243053 is about 10012.1452746152. The cubic root of 100243053 is about 464.5346298014.

Adding to 100243053 its reverse (350342001), we get a palindrome (450585054).

The spelling of 100243053 in words is "one hundred million, two hundred forty-three thousand, fifty-three".

Divisors: 1 3 9 29 87 239 261 717 1607 2151 4821 6931 14463 20793 46603 62379 139809 384073 419427 1152219 3456657 11138117 33414351 100243053