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1440422607 = 31336933913
BaseRepresentation
bin101010111011011…
…0001101011001111
310201101102001100110
41111312301223033
510422222010412
6354533131103
750460250551
oct12566615317
93641361313
101440422607
1167a098908
12342489a93
1319c562790
14d94354d1
15866cbd3c
hex55db1acf

1440422607 has 8 divisors (see below), whose sum is σ = 2068299184. Its totient is φ = 886413888.

The previous prime is 1440422603. The next prime is 1440422611. The reversal of 1440422607 is 7062240441.

It is an interprime number because it is at equal distance from previous prime (1440422603) and next prime (1440422611).

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

It is not a de Polignac number, because 1440422607 - 22 = 1440422603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440422603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18466918 + ... + 18466995.

It is an arithmetic number, because the mean of its divisors is an integer number (258537398).

Almost surely, 21440422607 is an apocalyptic number.

1440422607 is a deficient number, since it is larger than the sum of its proper divisors (627876577).

1440422607 is a wasteful number, since it uses less digits than its factorization.

1440422607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36933929.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 1440422607 is about 37952.8998496821. The cubic root of 1440422607 is about 1129.3536928559.

The spelling of 1440422607 in words is "one billion, four hundred forty million, four hundred twenty-two thousand, six hundred seven".

Divisors: 1 3 13 39 36933913 110801739 480140869 1440422607