Search a number
-
+
505052141 = 1145913831
BaseRepresentation
bin11110000110100…
…111101111101101
31022012100022021212
4132012213233231
52013243132031
6122041004205
715341605136
oct3606475755
91265308255
10505052141
1123a0a8170
12121183665
1380833829
144b10cc8d
152e51512b
hex1e1a7bed

505052141 has 4 divisors (see below), whose sum is σ = 550965984. Its totient is φ = 459138300.

The previous prime is 505052089. The next prime is 505052143. The reversal of 505052141 is 141250505.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505052141 - 218 = 504789997 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505052143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22956905 + ... + 22956926.

It is an arithmetic number, because the mean of its divisors is an integer number (137741496).

Almost surely, 2505052141 is an apocalyptic number.

It is an amenable number.

505052141 is a deficient number, since it is larger than the sum of its proper divisors (45913843).

505052141 is a wasteful number, since it uses less digits than its factorization.

505052141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45913842.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 505052141 is about 22473.3651463238. The cubic root of 505052141 is about 796.3648303840.

The spelling of 505052141 in words is "five hundred five million, fifty-two thousand, one hundred forty-one".

Divisors: 1 11 45913831 505052141