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242062180 = 22512103109
BaseRepresentation
bin11100110110110…
…01001101100100
3121212111000212221
432123121031210
5443431442210
640004122124
75666331433
oct1633311544
9555430787
10242062180
11114701998
1269096344
133b1c3679
142421111a
15163b71da
hexe6d9364

242062180 has 12 divisors (see below), whose sum is σ = 508330620. Its totient is φ = 96824864.

The previous prime is 242062169. The next prime is 242062181. The reversal of 242062180 is 81260242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88698724 + 153363456 = 9418^2 + 12384^2 .

It is not an unprimeable number, because it can be changed into a prime (242062181) 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, 6051535 + ... + 6051574.

It is an arithmetic number, because the mean of its divisors is an integer number (42360885).

Almost surely, 2242062180 is an apocalyptic number.

242062180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242062180 is an abundant number, since it is smaller than the sum of its proper divisors (266268440).

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

242062180 is a wasteful number, since it uses less digits than its factorization.

242062180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103118 (or 12103116 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 242062180 is about 15558.3475986366. The cubic root of 242062180 is about 623.2213365720.

It can be divided in two parts, 242062 and 180, that added together give a palindrome (242242).

The spelling of 242062180 in words is "two hundred forty-two million, sixty-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 12103109 24206218 48412436 60515545 121031090 242062180