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1440544054 = 26379112913
BaseRepresentation
bin101010111011100…
…1111010100110110
310201101122012221111
41111313033110312
510422234402204
6354535505234
750461264615
oct12567172466
93641565844
101440544054
1167a171084
1234252821a
1319c5a5b41
14d946787c
1586702d04
hex55dcf536

1440544054 has 8 divisors (see below), whose sum is σ = 2161173960. Its totient is φ = 720152736.

The previous prime is 1440544037. The next prime is 1440544093. The reversal of 1440544054 is 4504450441.

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

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 3 ways as a sum of consecutive naturals, for example, 43699 + ... + 69214.

It is an arithmetic number, because the mean of its divisors is an integer number (270146745).

Almost surely, 21440544054 is an apocalyptic number.

1440544054 is a deficient number, since it is larger than the sum of its proper divisors (720629906).

1440544054 is a wasteful number, since it uses less digits than its factorization.

1440544054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119294.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 1440544054 is about 37954.4997859279. The cubic root of 1440544054 is about 1129.3854318661.

Adding to 1440544054 its reverse (4504450441), we get a palindrome (5944994495).

The spelling of 1440544054 in words is "one billion, four hundred forty million, five hundred forty-four thousand, fifty-four".

Divisors: 1 2 6379 12758 112913 225826 720272027 1440544054