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1438599485 = 531107127683
BaseRepresentation
bin101010110111111…
…0100100100111101
310201020222102111102
41111233310210331
510421240140420
6354430102445
750435615411
oct12557644475
93636872442
101438599485
116790630a4
1234194aa25
1319c0749cb
14d90bcd41
158646ba75
hex55bf493d

1438599485 has 32 divisors (see below), whose sum is σ = 1815478272. Its totient is φ = 1093055040.

The previous prime is 1438599473. The next prime is 1438599493. The reversal of 1438599485 is 5849958341.

It is not a de Polignac number, because 1438599485 - 210 = 1438598461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1438599485.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2105954 + ... + 2106636.

It is an arithmetic number, because the mean of its divisors is an integer number (56733696).

Almost surely, 21438599485 is an apocalyptic number.

It is an amenable number.

1438599485 is a deficient number, since it is larger than the sum of its proper divisors (376878787).

1438599485 is a wasteful number, since it uses less digits than its factorization.

1438599485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953.

The product of its digits is 6220800, while the sum is 56.

The square root of 1438599485 is about 37928.8740275796. The cubic root of 1438599485 is about 1128.8770228320.

The spelling of 1438599485 in words is "one billion, four hundred thirty-eight million, five hundred ninety-nine thousand, four hundred eighty-five".

Divisors: 1 5 31 107 127 155 535 635 683 3317 3415 3937 13589 16585 19685 21173 67945 73081 86741 105865 365405 421259 433705 2106295 2265511 2688971 9281287 11327555 13444855 46406435 287719897 1438599485