Search a number
-
+
242704697 = 1003724181
BaseRepresentation
bin11100111011101…
…10000100111001
3121220200200020212
432131312010321
5444113022242
640030000505
76004645604
oct1635660471
9556620225
10242704697
111150006a4
1269346135
133b389c61
142433b33b
1516492782
hexe776139

242704697 has 4 divisors (see below), whose sum is σ = 242738916. Its totient is φ = 242670480.

The previous prime is 242704687. The next prime is 242704751. The reversal of 242704697 is 796407242.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 131423296 + 111281401 = 11464^2 + 10549^2 .

It is a cyclic number.

It is not a de Polignac number, because 242704697 - 24 = 242704681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242704687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054 + ... + 22127.

It is an arithmetic number, because the mean of its divisors is an integer number (60684729).

Almost surely, 2242704697 is an apocalyptic number.

It is an amenable number.

242704697 is a deficient number, since it is larger than the sum of its proper divisors (34219).

242704697 is a wasteful number, since it uses less digits than its factorization.

242704697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34218.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 242704697 is about 15578.9825405897. The cubic root of 242704697 is about 623.7722646178.

The spelling of 242704697 in words is "two hundred forty-two million, seven hundred four thousand, six hundred ninety-seven".

Divisors: 1 10037 24181 242704697