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1440104422 = 21573345767
BaseRepresentation
bin101010111010110…
…0011111111100110
310201100210212212211
41111311203333212
510422131320142
6354522234034
750454454111
oct12565437746
93640725784
101440104422
116799a0849
1234235591a
1319c4809c3
14d9391578
1586667917
hex55d63fe6

1440104422 has 8 divisors (see below), whose sum is σ = 2160341136. Its totient is φ = 719990712.

The previous prime is 1440104387. The next prime is 1440104423. The reversal of 1440104422 is 2244010441.

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

It is a junction number, because it is equal to n+sod(n) for n = 1440104393 and 1440104402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440104423) 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, 8583 + ... + 54349.

It is an arithmetic number, because the mean of its divisors is an integer number (270042642).

Almost surely, 21440104422 is an apocalyptic number.

1440104422 is a deficient number, since it is larger than the sum of its proper divisors (720236714).

1440104422 is a wasteful number, since it uses less digits than its factorization.

1440104422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61502.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1440104422 is about 37948.7077777360. The cubic root of 1440104422 is about 1129.2705297931.

Adding to 1440104422 its reverse (2244010441), we get a palindrome (3684114863).

The spelling of 1440104422 in words is "one billion, four hundred forty million, one hundred four thousand, four hundred twenty-two".

Divisors: 1 2 15733 31466 45767 91534 720052211 1440104422