Search a number
-
+
242432340 = 22357156909
BaseRepresentation
bin11100111001100…
…11100101010100
3121220011211122120
432130303211110
5444030313330
640020055540
76002432553
oct1634634524
9556154576
10242432340
11114935007
12692345b0
133b2c2cb7
14242a9d9a
151643bc10
hexe733954

242432340 has 48 divisors (see below), whose sum is σ = 688383360. Its totient is φ = 63736960.

The previous prime is 242432327. The next prime is 242432353. The reversal of 242432340 is 43234242.

It is an interprime number because it is at equal distance from previous prime (242432327) and next prime (242432353).

It is a self number, because there is not a number n which added to its sum of digits gives 242432340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24195 + ... + 32714.

It is an arithmetic number, because the mean of its divisors is an integer number (14341320).

Almost surely, 2242432340 is an apocalyptic number.

242432340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242432340 is an abundant number, since it is smaller than the sum of its proper divisors (445951020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242432340 is a wasteful number, since it uses less digits than its factorization.

242432340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56992 (or 56990 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 242432340 is about 15570.2389191688. The cubic root of 242432340 is about 623.5388501946.

Adding to 242432340 its reverse (43234242), we get a palindrome (285666582).

The spelling of 242432340 in words is "two hundred forty-two million, four hundred thirty-two thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 4260 56909 113818 170727 227636 284545 341454 569090 682908 853635 1138180 1707270 3414540 4040539 8081078 12121617 16162156 20202695 24243234 40405390 48486468 60608085 80810780 121216170 242432340