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1540150136 = 23727502681
BaseRepresentation
bin101101111001100…
…1101001101111000
310222100001201210122
41123303031031320
511123234301021
6412454432412
753111026430
oct13363151570
93870051718
101540150136
11720413658
1236b962708
131b710c255
141087952c0
159032abab
hex5bccd378

1540150136 has 16 divisors (see below), whose sum is σ = 3300321840. Its totient is φ = 660064320.

The previous prime is 1540150133. The next prime is 1540150141. The reversal of 1540150136 is 6310510451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540150133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13751285 + ... + 13751396.

It is an arithmetic number, because the mean of its divisors is an integer number (206270115).

Almost surely, 21540150136 is an apocalyptic number.

It is an amenable number.

1540150136 is an abundant number, since it is smaller than the sum of its proper divisors (1760171704).

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

1540150136 is a wasteful number, since it uses less digits than its factorization.

1540150136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27502694 (or 27502690 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1540150136 is about 39244.7466038450. The cubic root of 1540150136 is about 1154.8378765841.

Adding to 1540150136 its reverse (6310510451), we get a palindrome (7850660587).

The spelling of 1540150136 in words is "one billion, five hundred forty million, one hundred fifty thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 27502681 55005362 110010724 192518767 220021448 385037534 770075068 1540150136