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1540053512 = 231947215573
BaseRepresentation
bin101101111001011…
…0101101000001000
310222022212211020222
41123302311220020
511123223203022
6412452405212
753110144634
oct13362655010
93868784228
101540053512
11720357aa8
1236b916808
131b70a728a
1410876bdc4
159030c242
hex5bcb5a08

1540053512 has 32 divisors (see below), whose sum is σ = 3104265600. Its totient is φ = 713974464.

The previous prime is 1540053499. The next prime is 1540053533. The reversal of 1540053512 is 2153500451.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100643 + ... + 114930.

It is an arithmetic number, because the mean of its divisors is an integer number (97008300).

Almost surely, 21540053512 is an apocalyptic number.

It is an amenable number.

1540053512 is an abundant number, since it is smaller than the sum of its proper divisors (1564212088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1540053512 is a wasteful number, since it uses less digits than its factorization.

1540053512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215645 (or 215641 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1540053512 is about 39243.5155407871. The cubic root of 1540053512 is about 1154.8137258241.

Adding to 1540053512 its reverse (2153500451), we get a palindrome (3693553963).

The spelling of 1540053512 in words is "one billion, five hundred forty million, fifty-three thousand, five hundred twelve".

Divisors: 1 2 4 8 19 38 47 76 94 152 188 376 893 1786 3572 7144 215573 431146 862292 1724584 4095887 8191774 10131931 16383548 20263862 32767096 40527724 81055448 192506689 385013378 770026756 1540053512