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944665045 = 5188933009
BaseRepresentation
bin111000010011100…
…111000111010101
32102211112221211021
4320103213013111
53413313240140
6233423241141
732260343332
oct7023470725
92384487737
10944665045
11445269915
122244491b1
131209346cc
148d665989
1557e00b4a
hex384e71d5

944665045 has 4 divisors (see below), whose sum is σ = 1133598060. Its totient is φ = 755732032.

The previous prime is 944665031. The next prime is 944665097. The reversal of 944665045 is 540566449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540566449 = 3491548901.

It can be written as a sum of positive squares in 2 ways, for example, as 118504996 + 826160049 = 10886^2 + 28743^2 .

It is a cyclic number.

It is not a de Polignac number, because 944665045 - 25 = 944665013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 944664992 and 944665010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94466500 + ... + 94466509.

It is an arithmetic number, because the mean of its divisors is an integer number (283399515).

Almost surely, 2944665045 is an apocalyptic number.

It is an amenable number.

944665045 is a deficient number, since it is larger than the sum of its proper divisors (188933015).

944665045 is a wasteful number, since it uses less digits than its factorization.

944665045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188933014.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 944665045 is about 30735.4037715466. The cubic root of 944665045 is about 981.2039364964.

The spelling of 944665045 in words is "nine hundred forty-four million, six hundred sixty-five thousand, forty-five".

Divisors: 1 5 188933009 944665045