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944064361 = 3725515253
BaseRepresentation
bin111000010001010…
…100011101101001
32102210102102211201
4320101110131221
53413140024421
6233402324201
732252262142
oct7021243551
92383372751
10944064361
11444999589
122241b9661
13120784186
148d54aac9
1557d32b91
hex38454769

944064361 has 4 divisors (see below), whose sum is σ = 969579652. Its totient is φ = 918549072.

The previous prime is 944064323. The next prime is 944064409. The reversal of 944064361 is 163460449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163460449 = 831969403.

It can be written as a sum of positive squares in 2 ways, for example, as 430770025 + 513294336 = 20755^2 + 22656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-944064361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 25515253 = 944064361 / (9 + 4 + 4 + 0 + 6 + 4 + 3 + 6 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 944064361.

It is not an unprimeable number, because it can be changed into a prime (944064301) 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, 12757590 + ... + 12757663.

It is an arithmetic number, because the mean of its divisors is an integer number (242394913).

Almost surely, 2944064361 is an apocalyptic number.

It is an amenable number.

944064361 is a deficient number, since it is larger than the sum of its proper divisors (25515291).

944064361 is a wasteful number, since it uses less digits than its factorization.

944064361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25515290.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 944064361 is about 30725.6303596851. The cubic root of 944064361 is about 980.9959197401.

The spelling of 944064361 in words is "nine hundred forty-four million, sixty-four thousand, three hundred sixty-one".

Divisors: 1 37 25515253 944064361