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1440350045 = 52383150901
BaseRepresentation
bin101010111011001…
…1111111101011101
310201101021100210222
41111312133331131
510422212200140
6354531411125
750456526161
oct12566377535
93641240728
101440350045
1167a049342
12342453aa5
1319c538744
14d9416ca1
15866b55b5
hex55d9ff5d

1440350045 has 16 divisors (see below), whose sum is σ = 1825310592. Its totient is φ = 1088894400.

The previous prime is 1440350029. The next prime is 1440350063. The reversal of 1440350045 is 5400530441.

It is not a de Polignac number, because 1440350045 - 24 = 1440350029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1440349996 and 1440350023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65906 + ... + 84995.

It is an arithmetic number, because the mean of its divisors is an integer number (114081912).

Almost surely, 21440350045 is an apocalyptic number.

It is an amenable number.

1440350045 is a deficient number, since it is larger than the sum of its proper divisors (384960547).

1440350045 is a wasteful number, since it uses less digits than its factorization.

1440350045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151012.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1440350045 is about 37951.9438896086. The cubic root of 1440350045 is about 1129.3347286208.

Adding to 1440350045 its reverse (5400530441), we get a palindrome (6840880486).

The spelling of 1440350045 in words is "one billion, four hundred forty million, three hundred fifty thousand, forty-five".

Divisors: 1 5 23 83 115 415 1909 9545 150901 754505 3470723 12524783 17353615 62623915 288070009 1440350045