Search a number
-
+
242442430 = 25411035741
BaseRepresentation
bin11100111001101…
…10000010111110
3121220012100111021
432130312002332
5444031124210
640020214354
76002504146
oct1634660276
9556170437
10242442430
1111494164a
126923a3ba
133b2c7779
14242ad926
151643ebda
hexe7360be

242442430 has 32 divisors (see below), whose sum is σ = 451459008. Its totient is φ = 93676800.

The previous prime is 242442427. The next prime is 242442439. The reversal of 242442430 is 34244242.

It is a junction number, because it is equal to n+sod(n) for n = 242442395 and 242442404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242442439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39360 + ... + 45100.

It is an arithmetic number, because the mean of its divisors is an integer number (14108094).

Almost surely, 2242442430 is an apocalyptic number.

242442430 is a deficient number, since it is larger than the sum of its proper divisors (209016578).

242442430 is a wasteful number, since it uses less digits than its factorization.

242442430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 242442430 is about 15570.5629313779. The cubic root of 242442430 is about 623.5475006078.

Adding to 242442430 its reverse (34244242), we get a palindrome (276686672).

The spelling of 242442430 in words is "two hundred forty-two million, four hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 41 82 103 205 206 410 515 1030 4223 5741 8446 11482 21115 28705 42230 57410 235381 470762 591323 1176905 1182646 2353810 2956615 5913230 24244243 48488486 121221215 242442430