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242121314 = 2121060657
BaseRepresentation
bin11100110111001…
…11101001100010
3121212121001000002
432123213221202
5443440340224
640005300002
75666666021
oct1633475142
9555531002
10242121314
11114742366
1269104602
133b214566
14242288b8
15163c99ae
hexe6e7a62

242121314 has 4 divisors (see below), whose sum is σ = 363181974. Its totient is φ = 121060656.

The previous prime is 242121311. The next prime is 242121323. The reversal of 242121314 is 413121242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 413121242 = 2206560621.

It can be written as a sum of positive squares in only one way, i.e., 154380625 + 87740689 = 12425^2 + 9367^2 .

It is not an unprimeable number, because it can be changed into a prime (242121311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60530327 + ... + 60530330.

Almost surely, 2242121314 is an apocalyptic number.

242121314 is a deficient number, since it is larger than the sum of its proper divisors (121060660).

242121314 is a wasteful number, since it uses less digits than its factorization.

242121314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121060659.

The product of its digits is 384, while the sum is 20.

The square root of 242121314 is about 15560.2478772030. The cubic root of 242121314 is about 623.2720818942.

Adding to 242121314 its reverse (413121242), we get a palindrome (655242556).

The spelling of 242121314 in words is "two hundred forty-two million, one hundred twenty-one thousand, three hundred fourteen".

Divisors: 1 2 121060657 242121314