Search a number
-
+
1455050971 = 11132277361
BaseRepresentation
bin101011010111010…
…0101000011011011
310202101221020200201
41112232211003123
510434443112341
6400214443031
751025505053
oct12656450333
93671836621
101455050971
1168737a370
12347363477
131a25b4c0a
14db362563
1587b1b331
hex56ba50db

1455050971 has 4 divisors (see below), whose sum is σ = 1587328344. Its totient is φ = 1322773600.

The previous prime is 1455050921. The next prime is 1455051019. The reversal of 1455050971 is 1790505541.

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

It is a cyclic number.

It is not a de Polignac number, because 1455050971 - 211 = 1455048923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1455050971.

It is not an unprimeable number, because it can be changed into a prime (1455050921) by changing a digit.

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, 66138670 + ... + 66138691.

It is an arithmetic number, because the mean of its divisors is an integer number (396832086).

Almost surely, 21455050971 is an apocalyptic number.

1455050971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1455050971 is a deficient number, since it is larger than the sum of its proper divisors (132277373).

1455050971 is a wasteful number, since it uses less digits than its factorization.

1455050971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132277372.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 1455050971 is about 38145.1303707302. The cubic root of 1455050971 is about 1133.1639137081.

The spelling of 1455050971 in words is "one billion, four hundred fifty-five million, fifty thousand, nine hundred seventy-one".

Divisors: 1 11 132277361 1455050971