Search a number
-
+
242042125 = 5313148949
BaseRepresentation
bin11100110110101…
…00010100001101
3121212110000101011
432123110110031
5443430322000
640003445221
75666216113
oct1633242415
9555400334
10242042125
11114698916
1269086811
133b1b74c0
1424207ab3
15163b12ba
hexe6d450d

242042125 has 16 divisors (see below), whose sum is σ = 325306800. Its totient is φ = 178737600.

The previous prime is 242042117. The next prime is 242042137. The reversal of 242042125 is 521240242.

242042125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 66373609 + 175668516 = 8147^2 + 13254^2 .

It is not a de Polignac number, because 242042125 - 23 = 242042117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242042096 and 242042105.

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, 72850 + ... + 76099.

It is an arithmetic number, because the mean of its divisors is an integer number (20331675).

Almost surely, 2242042125 is an apocalyptic number.

242042125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242042125 is a deficient number, since it is larger than the sum of its proper divisors (83264675).

242042125 is a wasteful number, since it uses less digits than its factorization.

242042125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148977 (or 148967 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 242042125 is about 15557.7030759685. The cubic root of 242042125 is about 623.2041246734.

Adding to 242042125 its reverse (521240242), we get a palindrome (763282367).

The spelling of 242042125 in words is "two hundred forty-two million, forty-two thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 1625 148949 744745 1936337 3723725 9681685 18618625 48408425 242042125