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1440051314 = 21355386589
BaseRepresentation
bin101010111010101…
…0111000001110010
310201100201012000212
41111311113001302
510422123120224
6354521144122
750454143222
oct12565270162
93640635025
101440051314
11679964959
1234232b042
1319c462790
14d937a082
1586656d0e
hex55d57072

1440051314 has 8 divisors (see below), whose sum is σ = 2326236780. Its totient is φ = 664639056.

The previous prime is 1440051271. The next prime is 1440051331. The reversal of 1440051314 is 4131500441.

It can be written as a sum of positive squares in 2 ways, for example, as 1427555089 + 12496225 = 37783^2 + 3535^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1440051314.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27693269 + ... + 27693320.

Almost surely, 21440051314 is an apocalyptic number.

1440051314 is a deficient number, since it is larger than the sum of its proper divisors (886185466).

1440051314 is a wasteful number, since it uses less digits than its factorization.

1440051314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55386604.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1440051314 is about 37948.0080373134. The cubic root of 1440051314 is about 1129.2566479209.

Adding to 1440051314 its reverse (4131500441), we get a palindrome (5571551755).

The spelling of 1440051314 in words is "one billion, four hundred forty million, fifty-one thousand, three hundred fourteen".

Divisors: 1 2 13 26 55386589 110773178 720025657 1440051314