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1444402 = 24011801
BaseRepresentation
bin101100000101000110010
32201101100101
411200220302
5332210102
650543014
715164041
oct5405062
92641311
101444402
118a7223
12597a6a
133b759b
14298558
151d7e87
hex160a32

1444402 has 8 divisors (see below), whose sum is σ = 2173212. Its totient is φ = 720000.

The previous prime is 1444309. The next prime is 1444411. The reversal of 1444402 is 2044441.

It can be written as a sum of positive squares in 2 ways, for example, as 1418481 + 25921 = 1191^2 + 161^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1444402.

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, 99 + ... + 1702.

21444402 is an apocalyptic number.

1444402 is a deficient number, since it is larger than the sum of its proper divisors (728810).

1444402 is a wasteful number, since it uses less digits than its factorization.

1444402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1444402 is about 1201.8327670687. The cubic root of 1444402 is about 113.0392742069.

Adding to 1444402 its reverse (2044441), we get a palindrome (3488843).

The spelling of 1444402 in words is "one million, four hundred forty-four thousand, four hundred two".

Divisors: 1 2 401 802 1801 3602 722201 1444402