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1444709 = 71791153
BaseRepresentation
bin101100000101101100101
32201101202202
411200231211
5332212314
650544245
715164660
oct5405545
92641682
101444709
118a7482
12598085
133b7776
142986d7
151d80de
hex160b65

1444709 has 8 divisors (see below), whose sum is σ = 1661760. Its totient is φ = 1230336.

The previous prime is 1444697. The next prime is 1444747. The reversal of 1444709 is 9074441.

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

It is a cyclic number.

It is not a de Polignac number, because 1444709 - 216 = 1379173 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 (1444759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677 + ... + 1829.

It is an arithmetic number, because the mean of its divisors is an integer number (207720).

21444709 is an apocalyptic number.

It is an amenable number.

1444709 is a deficient number, since it is larger than the sum of its proper divisors (217051).

1444709 is a wasteful number, since it uses less digits than its factorization.

1444709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1444709 is about 1201.9604818795. The cubic root of 1444709 is about 113.0472822727.

The spelling of 1444709 in words is "one million, four hundred forty-four thousand, seven hundred nine".

Divisors: 1 7 179 1153 1253 8071 206387 1444709