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100300023 = 3211144447
BaseRepresentation
bin1011111101001…
…11010011110111
320222201202202200
411332213103313
5201134100043
613541435543
72325351615
oct576472367
9228652680
10100300023
115168698a
122970bbb3
1317a1a235
14d46c6b5
158c137d3
hex5fa74f7

100300023 has 6 divisors (see below), whose sum is σ = 144877824. Its totient is φ = 66866676.

The previous prime is 100300001. The next prime is 100300027. The reversal of 100300023 is 320003001.

It is a happy number.

It is not a de Polignac number, because 100300023 - 26 = 100299959 is a prime.

It is a super-2 number, since 2×1003000232 = 20120189227601058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11144447 = 100300023 / (1 + 0 + 0 + 3 + 0 + 0 + 0 + 2 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 100299978 and 100300014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100300027) 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 5 ways as a sum of consecutive naturals, for example, 5572215 + ... + 5572232.

It is an arithmetic number, because the mean of its divisors is an integer number (24146304).

Almost surely, 2100300023 is an apocalyptic number.

100300023 is a deficient number, since it is larger than the sum of its proper divisors (44577801).

100300023 is a wasteful number, since it uses less digits than its factorization.

100300023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11144453 (or 11144450 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 100300023 is about 10014.9899151222. The cubic root of 100300023 is about 464.6226143723.

Adding to 100300023 its reverse (320003001), we get a palindrome (420303024).

The spelling of 100300023 in words is "one hundred million, three hundred thousand, twenty-three".

Divisors: 1 3 9 11144447 33433341 100300023