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540422453 = 1929980803
BaseRepresentation
bin100000001101100…
…011000100110101
31101122220022020102
4200031203010311
52101322004303
6125343043445
716251341444
oct4015430465
91348808212
10540422453
1125806642a
12130ba0585
1387c68ccc
1451ab8d5b
15326a0288
hex20363135

540422453 has 8 divisors (see below), whose sum is σ = 588482400. Its totient is φ = 494324208.

The previous prime is 540422423. The next prime is 540422461. The reversal of 540422453 is 354224045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-540422453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540422423) 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, 489851 + ... + 490952.

It is an arithmetic number, because the mean of its divisors is an integer number (73560300).

Almost surely, 2540422453 is an apocalyptic number.

It is an amenable number.

540422453 is a deficient number, since it is larger than the sum of its proper divisors (48059947).

540422453 is a wasteful number, since it uses less digits than its factorization.

540422453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980851.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 540422453 is about 23246.9880414646. The cubic root of 540422453 is about 814.5375840456.

Adding to 540422453 its reverse (354224045), we get a palindrome (894646498).

The spelling of 540422453 in words is "five hundred forty million, four hundred twenty-two thousand, four hundred fifty-three".

Divisors: 1 19 29 551 980803 18635257 28443287 540422453