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194141242 = 297070621
BaseRepresentation
bin10111001001001…
…01110000111010
3111112022101201101
423210211300322
5344200004432
631133042014
74545113311
oct1344456072
9445271641
10194141242
119a651209
125502630a
13312b5699
141bad9278
151209d4e7
hexb925c3a

194141242 has 4 divisors (see below), whose sum is σ = 291211866. Its totient is φ = 97070620.

The previous prime is 194141239. The next prime is 194141243. The reversal of 194141242 is 242141491.

194141242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242141491 = 1912744289.

It can be written as a sum of positive squares in only one way, i.e., 108597241 + 85544001 = 10421^2 + 9249^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 194141242.

It is not an unprimeable number, because it can be changed into a prime (194141243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48535309 + ... + 48535312.

Almost surely, 2194141242 is an apocalyptic number.

194141242 is a deficient number, since it is larger than the sum of its proper divisors (97070624).

194141242 is an equidigital number, since it uses as much as digits as its factorization.

194141242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97070623.

The product of its digits is 2304, while the sum is 28.

The square root of 194141242 is about 13933.4576469733. The cubic root of 194141242 is about 579.0364918440.

The spelling of 194141242 in words is "one hundred ninety-four million, one hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 97070621 194141242