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242285401 = 298354669
BaseRepresentation
bin11100111000011…
…11101101011001
3121212220101002101
432130033231121
5444011113101
640013003401
76001251301
oct1634175531
9555811071
10242285401
11114844676
1269183561
133b271157
142426c601
151640d401
hexe70fb59

242285401 has 4 divisors (see below), whose sum is σ = 250640100. Its totient is φ = 233930704.

The previous prime is 242285399. The next prime is 242285413. The reversal of 242285401 is 104582242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75255625 + 167029776 = 8675^2 + 12924^2 .

It is not a de Polignac number, because 242285401 - 21 = 242285399 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 242285401.

It is not an unprimeable number, because it can be changed into a prime (242285431) 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, 4177306 + ... + 4177363.

It is an arithmetic number, because the mean of its divisors is an integer number (62660025).

Almost surely, 2242285401 is an apocalyptic number.

It is an amenable number.

242285401 is a deficient number, since it is larger than the sum of its proper divisors (8354699).

242285401 is an equidigital number, since it uses as much as digits as its factorization.

242285401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8354698.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 242285401 is about 15565.5196186957. The cubic root of 242285401 is about 623.4128484517.

The spelling of 242285401 in words is "two hundred forty-two million, two hundred eighty-five thousand, four hundred one".

Divisors: 1 29 8354669 242285401