Search a number
-
+
242141505 = 3537436291
BaseRepresentation
bin11100110111011…
…00100101000001
3121212122001200220
432123230211001
5443442012010
640005533253
76000111624
oct1633544501
9555561626
10242141505
11114756551
1269114229
133b2207c8
1424231dbb
15163d0970
hexe6ec941

242141505 has 16 divisors (see below), whose sum is σ = 397898304. Its totient is φ = 125651520.

The previous prime is 242141437. The next prime is 242141507. The reversal of 242141505 is 505141242.

242141505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242141505 - 216 = 242075969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242141507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217591 + ... + 218700.

It is an arithmetic number, because the mean of its divisors is an integer number (24868644).

Almost surely, 2242141505 is an apocalyptic number.

It is an amenable number.

242141505 is a deficient number, since it is larger than the sum of its proper divisors (155756799).

242141505 is a wasteful number, since it uses less digits than its factorization.

242141505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436336.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 242141505 is about 15560.8966643957. The cubic root of 242141505 is about 623.2894067310.

Adding to 242141505 its reverse (505141242), we get a palindrome (747282747).

The spelling of 242141505 in words is "two hundred forty-two million, one hundred forty-one thousand, five hundred five".

Divisors: 1 3 5 15 37 111 185 555 436291 1308873 2181455 6544365 16142767 48428301 80713835 242141505