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3540230545 = 54261166169
BaseRepresentation
bin1101001100000011…
…1010000110010001
3100010201120100022211
43103000322012101
524222244334140
61343143232121
7153505314565
oct32300720621
910121510284
103540230545
111557405675
12829748641
134455b4097
142582716a5
1515ac072ea
hexd303a191

3540230545 has 8 divisors (see below), whose sum is σ = 4249299240. Its totient is φ = 2831502720.

The previous prime is 3540230539. The next prime is 3540230581. The reversal of 3540230545 is 5450320453.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1481249169 + 2058981376 = 38487^2 + 45376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3540230545 - 27 = 3540230417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61780 + ... + 104389.

It is an arithmetic number, because the mean of its divisors is an integer number (531162405).

Almost surely, 23540230545 is an apocalyptic number.

It is an amenable number.

3540230545 is a deficient number, since it is larger than the sum of its proper divisors (709068695).

3540230545 is a wasteful number, since it uses less digits than its factorization.

3540230545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170435.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 3540230545 is about 59499.8365123804. The cubic root of 3540230545 is about 1524.0896539375.

Adding to 3540230545 its reverse (5450320453), we get a palindrome (8990550998).

The spelling of 3540230545 in words is "three billion, five hundred forty million, two hundred thirty thousand, five hundred forty-five".

Divisors: 1 5 4261 21305 166169 830845 708046109 3540230545