Search a number
-
+
2054501455 = 5410900291
BaseRepresentation
bin111101001110101…
…0011010001001111
312022011220111011111
41322131103101033
513201423021310
6535511032451
7101624655106
oct17235232117
95264814144
102054501455
11964792396
1249406b727
1326984a646
14156c0503d
15c057b28a
hex7a75344f

2054501455 has 4 divisors (see below), whose sum is σ = 2465401752. Its totient is φ = 1643601160.

The previous prime is 2054501447. The next prime is 2054501489. The reversal of 2054501455 is 5541054502.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2054501455 - 23 = 2054501447 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205450141 + ... + 205450150.

It is an arithmetic number, because the mean of its divisors is an integer number (616350438).

Almost surely, 22054501455 is an apocalyptic number.

2054501455 is a deficient number, since it is larger than the sum of its proper divisors (410900297).

2054501455 is an equidigital number, since it uses as much as digits as its factorization.

2054501455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410900296.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 2054501455 is about 45326.6086862893. The cubic root of 2054501455 is about 1271.2632263236.

Adding to 2054501455 its reverse (5541054502), we get a palindrome (7595555957).

The spelling of 2054501455 in words is "two billion, fifty-four million, five hundred one thousand, four hundred fifty-five".

Divisors: 1 5 410900291 2054501455