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4540780423 = 15492931427
BaseRepresentation
bin1000011101010011…
…01100111110000111
3102201110021112201201
410032221230332013
533244414433143
62030324403331
7220344665614
oct41651547607
912643245651
104540780423
111a201745a3
12a68846547
1357498462a
143110c350b
151b899664d
hex10ea6cf87

4540780423 has 4 divisors (see below), whose sum is σ = 4543713400. Its totient is φ = 4537847448.

The previous prime is 4540780411. The next prime is 4540780457. The reversal of 4540780423 is 3240870454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4540780423 - 213 = 4540772231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540786423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464165 + ... + 1467262.

It is an arithmetic number, because the mean of its divisors is an integer number (1135928350).

Almost surely, 24540780423 is an apocalyptic number.

4540780423 is a deficient number, since it is larger than the sum of its proper divisors (2932977).

4540780423 is a wasteful number, since it uses less digits than its factorization.

4540780423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932976.

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 4540780423 is about 67385.3131104991. The cubic root of 4540780423 is about 1655.9358195028.

The spelling of 4540780423 in words is "four billion, five hundred forty million, seven hundred eighty thousand, four hundred twenty-three".

Divisors: 1 1549 2931427 4540780423