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1493289485 = 5806937013
BaseRepresentation
bin101100100000001…
…1100101000001101
310212001212222001222
41121000130220031
511024240230420
6404102213125
752001515442
oct13100345015
93761788058
101493289485
116a6a17546
123581241a5
131aa4b2a5c
141024779c9
158b171225
hex5901ca0d

1493289485 has 8 divisors (see below), whose sum is σ = 1792217880. Its totient is φ = 1194451264.

The previous prime is 1493289481. The next prime is 1493289517. The reversal of 1493289485 is 5849823941.

It can be written as a sum of positive squares in 4 ways, for example, as 2866249 + 1490423236 = 1693^2 + 38606^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1493289485 - 22 = 1493289481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493289481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21839 + ... + 58851.

It is an arithmetic number, because the mean of its divisors is an integer number (224027235).

Almost surely, 21493289485 is an apocalyptic number.

It is an amenable number.

1493289485 is a deficient number, since it is larger than the sum of its proper divisors (298928395).

1493289485 is an equidigital number, since it uses as much as digits as its factorization.

1493289485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45087.

The product of its digits is 2488320, while the sum is 53.

The square root of 1493289485 is about 38643.1039772946. The cubic root of 1493289485 is about 1143.0046635129.

The spelling of 1493289485 in words is "one billion, four hundred ninety-three million, two hundred eighty-nine thousand, four hundred eighty-five".

Divisors: 1 5 8069 37013 40345 185065 298657897 1493289485