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1444270 = 25144427
BaseRepresentation
bin101100000100110101110
32201101011111
411200212232
5332204040
650542234
715163462
oct5404656
92641144
101444270
118a7113
1259797a
133b74c9
142984a2
151d7dea
hex1609ae

1444270 has 8 divisors (see below), whose sum is σ = 2599704. Its totient is φ = 577704.

The previous prime is 1444249. The next prime is 1444271. The reversal of 1444270 is 724441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444271) 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, 72204 + ... + 72223.

It is an arithmetic number, because the mean of its divisors is an integer number (324963).

21444270 is an apocalyptic number.

1444270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444270 is a deficient number, since it is larger than the sum of its proper divisors (1155434).

1444270 is a wasteful number, since it uses less digits than its factorization.

1444270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144434.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 1444270 is about 1201.7778496877. Note that the first 3 decimals coincide. The cubic root of 1444270 is about 113.0358306506.

The spelling of 1444270 in words is "one million, four hundred forty-four thousand, two hundred seventy".

Divisors: 1 2 5 10 144427 288854 722135 1444270