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3144375445 = 5628875089
BaseRepresentation
bin1011101101101011…
…0101110010010101
322010010200211012211
42323122311302111
522414430003240
61240002513421
7140630515231
oct27332656225
98103624184
103144375445
111373a108a2
12739065871
133b15942b3
1421b8695c1
151360b1bea
hexbb6b5c95

3144375445 has 4 divisors (see below), whose sum is σ = 3773250540. Its totient is φ = 2515500352.

The previous prime is 3144375439. The next prime is 3144375449. The reversal of 3144375445 is 5445734413.

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

It can be written as a sum of positive squares in 2 ways, for example, as 907274641 + 2237100804 = 30121^2 + 47298^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144375445 - 225 = 3110821013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3144375398 and 3144375407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144375449) 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 3 ways as a sum of consecutive naturals, for example, 314437540 + ... + 314437549.

It is an arithmetic number, because the mean of its divisors is an integer number (943312635).

Almost surely, 23144375445 is an apocalyptic number.

It is an amenable number.

3144375445 is a deficient number, since it is larger than the sum of its proper divisors (628875095).

3144375445 is an equidigital number, since it uses as much as digits as its factorization.

3144375445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628875094.

The product of its digits is 403200, while the sum is 40.

The square root of 3144375445 is about 56074.7308954755. The cubic root of 3144375445 is about 1465.0242002316.

The spelling of 3144375445 in words is "three billion, one hundred forty-four million, three hundred seventy-five thousand, four hundred forty-five".

Divisors: 1 5 628875089 3144375445