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1053144447 = 32315262963
BaseRepresentation
bin111110110001011…
…011010101111111
32201101200021120220
4332301123111333
54124101110242
6252300312423
735045402655
oct7661332577
92641607526
101053144447
114a0522013
12254842713
1313a2568c4
149dc22dd5
15626ccbec
hex3ec5b57f

1053144447 has 8 divisors (see below), whose sum is σ = 1465244544. Its totient is φ = 671570328.

The previous prime is 1053144419. The next prime is 1053144457. The reversal of 1053144447 is 7444413501.

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

It is not a de Polignac number, because 1053144447 - 26 = 1053144383 is a prime.

It is a super-2 number, since 2×10531444472 = 2218226452493871618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053144457) 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, 7631413 + ... + 7631550.

It is an arithmetic number, because the mean of its divisors is an integer number (183155568).

Almost surely, 21053144447 is an apocalyptic number.

1053144447 is a deficient number, since it is larger than the sum of its proper divisors (412100097).

1053144447 is a wasteful number, since it uses less digits than its factorization.

1053144447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15262989.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 1053144447 is about 32452.1870911654. The cubic root of 1053144447 is about 1017.4099502758.

Adding to 1053144447 its reverse (7444413501), we get a palindrome (8497557948).

The spelling of 1053144447 in words is "one billion, fifty-three million, one hundred forty-four thousand, four hundred forty-seven".

Divisors: 1 3 23 69 15262963 45788889 351048149 1053144447