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100242423 = 3219586213
BaseRepresentation
bin1011111100110…
…01001111110111
320222121211202100
411332121033313
5201130224143
613540313143
72325021651
oct576311767
9228554670
10100242423
1151647686
12296a27b3
13179c9c58
14d4556d1
158c016d3
hex5f993f7

100242423 has 12 divisors (see below), whose sum is σ = 152415640. Its totient is φ = 63310896.

The previous prime is 100242409. The next prime is 100242427. The reversal of 100242423 is 324242001.

100242423 is a `hidden beast` number, since 1 + 0 + 0 + 242 + 423 = 666.

It is not a de Polignac number, because 100242423 - 28 = 100242167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100242396 and 100242405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100242427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292936 + ... + 293277.

Almost surely, 2100242423 is an apocalyptic number.

100242423 is a deficient number, since it is larger than the sum of its proper divisors (52173217).

100242423 is a wasteful number, since it uses less digits than its factorization.

100242423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586238 (or 586235 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 100242423 is about 10012.1138127770. The cubic root of 100242423 is about 464.5336566420.

Adding to 100242423 its reverse (324242001), we get a palindrome (424484424).

The spelling of 100242423 in words is "one hundred million, two hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 3 9 19 57 171 586213 1758639 5275917 11138047 33414141 100242423