Search a number
-
+
242459834 = 2121229917
BaseRepresentation
bin11100111001110…
…10010010111010
3121220020020100212
432130322102322
5444032203314
640020431122
76002605661
oct1634722272
9556206325
10242459834
11114953731
12692484a2
133b302676
14242b5dd8
1516444e3e
hexe73a4ba

242459834 has 4 divisors (see below), whose sum is σ = 363689754. Its totient is φ = 121229916.

The previous prime is 242459827. The next prime is 242459863. The reversal of 242459834 is 438954242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438954242 = 2219477121.

It can be written as a sum of positive squares in only one way, i.e., 204575809 + 37884025 = 14303^2 + 6155^2 .

It is a super-2 number, since 2×2424598342 = 117573542206615112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242459791 and 242459800.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60614957 + ... + 60614960.

Almost surely, 2242459834 is an apocalyptic number.

242459834 is a deficient number, since it is larger than the sum of its proper divisors (121229920).

242459834 is a wasteful number, since it uses less digits than its factorization.

242459834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121229919.

The product of its digits is 276480, while the sum is 41.

The square root of 242459834 is about 15571.1217964538. The cubic root of 242459834 is about 623.5624209348.

The spelling of 242459834 in words is "two hundred forty-two million, four hundred fifty-nine thousand, eight hundred thirty-four".

Divisors: 1 2 121229917 242459834