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242051541 = 380683847
BaseRepresentation
bin11100110110101…
…10100111010101
3121212110111021220
432123112213111
5443431122131
640004000553
75666255424
oct1633264725
9555414256
10242051541
111146a49a6
1269090159
133b1bb884
142420b2bb
15163b3e96
hexe6d69d5

242051541 has 4 divisors (see below), whose sum is σ = 322735392. Its totient is φ = 161367692.

The previous prime is 242051539. The next prime is 242051549. The reversal of 242051541 is 145150242.

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 242051541 - 21 = 242051539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242051549) 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, 40341921 + ... + 40341926.

It is an arithmetic number, because the mean of its divisors is an integer number (80683848).

Almost surely, 2242051541 is an apocalyptic number.

It is an amenable number.

242051541 is a deficient number, since it is larger than the sum of its proper divisors (80683851).

242051541 is an equidigital number, since it uses as much as digits as its factorization.

242051541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80683850.

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

The square root of 242051541 is about 15558.0056883908. The cubic root of 242051541 is about 623.2122059305.

The spelling of 242051541 in words is "two hundred forty-two million, fifty-one thousand, five hundred forty-one".

Divisors: 1 3 80683847 242051541