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4542512023 = 72211439357
BaseRepresentation
bin1000011101100000…
…10011101110010111
3102201120112112001001
410032300103232113
533300340341043
62030425444131
7220365500200
oct41660235627
912646475031
104542512023
111a21147575
12a69340647
1357513c84a
143114145a7
151b8bd974d
hex10ec13b97

4542512023 has 12 divisors (see below), whose sum is σ = 5309202072. Its totient is φ = 3875119920.

The previous prime is 4542512021. The next prime is 4542512033. The reversal of 4542512023 is 3202152454.

It is not a de Polignac number, because 4542512023 - 21 = 4542512021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4542511982 and 4542512000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542512021) 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 11 ways as a sum of consecutive naturals, for example, 209340 + ... + 230017.

It is an arithmetic number, because the mean of its divisors is an integer number (442433506).

Almost surely, 24542512023 is an apocalyptic number.

4542512023 is a deficient number, since it is larger than the sum of its proper divisors (766690049).

4542512023 is a wasteful number, since it uses less digits than its factorization.

4542512023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439582 (or 439575 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4542512023 is about 67398.1603829066. The cubic root of 4542512023 is about 1656.1462865580.

Adding to 4542512023 its reverse (3202152454), we get a palindrome (7744664477).

The spelling of 4542512023 in words is "four billion, five hundred forty-two million, five hundred twelve thousand, twenty-three".

Divisors: 1 7 49 211 1477 10339 439357 3075499 21528493 92704327 648930289 4542512023