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1440013112 = 23971855687
BaseRepresentation
bin101010111010100…
…1101101100111000
310201100122020121222
41111311031230320
510422120404422
6354520251212
750453623646
oct12565155470
93640566558
101440013112
1167993918a
12342310b08
1319c44b285
14d936a196
158664a842
hex55d4db38

1440013112 has 16 divisors (see below), whose sum is σ = 2727861360. Its totient is φ = 712583424.

The previous prime is 1440013109. The next prime is 1440013123. The reversal of 1440013112 is 2113100441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927068 + ... + 928619.

It is an arithmetic number, because the mean of its divisors is an integer number (170491335).

Almost surely, 21440013112 is an apocalyptic number.

It is an amenable number.

1440013112 is a deficient number, since it is larger than the sum of its proper divisors (1287848248).

1440013112 is a wasteful number, since it uses less digits than its factorization.

1440013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855790 (or 1855786 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1440013112 is about 37947.5046873968. The cubic root of 1440013112 is about 1129.2466621092.

Adding to 1440013112 its reverse (2113100441), we get a palindrome (3553113553).

The spelling of 1440013112 in words is "one billion, four hundred forty million, thirteen thousand, one hundred twelve".

Divisors: 1 2 4 8 97 194 388 776 1855687 3711374 7422748 14845496 180001639 360003278 720006556 1440013112