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1404430 = 25140443
BaseRepresentation
bin101010110111000001110
32122100111221
411112320032
5324420210
650033554
714636356
oct5267016
92570457
101404430
1187a195
125788ba
133a2331
14287b66
151cb1da
hex156e0e

1404430 has 8 divisors (see below), whose sum is σ = 2527992. Its totient is φ = 561768.

The previous prime is 1404427. The next prime is 1404437. The reversal of 1404430 is 344041.

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 (1404437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70212 + ... + 70231.

It is an arithmetic number, because the mean of its divisors is an integer number (315999).

21404430 is an apocalyptic number.

1404430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1404430 is a deficient number, since it is larger than the sum of its proper divisors (1123562).

1404430 is a wasteful number, since it uses less digits than its factorization.

1404430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140450.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1404430 is about 1185.0864947336. The cubic root of 1404430 is about 111.9867650177.

Adding to 1404430 its reverse (344041), we get a palindrome (1748471).

The spelling of 1404430 in words is "one million, four hundred four thousand, four hundred thirty".

Divisors: 1 2 5 10 140443 280886 702215 1404430