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1144430 = 25716349
BaseRepresentation
bin100010111011001101110
32011010212022
410113121232
5243110210
640310142
712504350
oct4273156
92133768
101144430
11711911
12472352
13310ba1
1421b0d0
15179155
hex11766e

1144430 has 16 divisors (see below), whose sum is σ = 2354400. Its totient is φ = 392352.

The previous prime is 1144417. The next prime is 1144439. The reversal of 1144430 is 344411.

1144430 = T92 + T93 + ... + T196.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1144399 and 1144408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144439) 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, 8105 + ... + 8244.

It is an arithmetic number, because the mean of its divisors is an integer number (147150).

21144430 is an apocalyptic number.

1144430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144430 is an abundant number, since it is smaller than the sum of its proper divisors (1209970).

1144430 is a wasteful number, since it uses less digits than its factorization.

1144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16363.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1144430 is about 1069.7803512871. The cubic root of 1144430 is about 104.5995327714.

Adding to 1144430 its reverse (344411), we get a palindrome (1488841).

The spelling of 1144430 in words is "one million, one hundred forty-four thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 16349 32698 81745 114443 163490 228886 572215 1144430