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242144112 = 2437761947
BaseRepresentation
bin11100110111011…
…01001101110000
3121212122012021110
432123231031300
5443442102422
640005553320
76000122340
oct1633551560
9555565243
10242144112
11114758501
1269115840
133b221a52
1424232d20
15163d160c
hexe6ed370

242144112 has 80 divisors (see below), whose sum is σ = 716596992. Its totient is φ = 69020160.

The previous prime is 242144099. The next prime is 242144143. The reversal of 242144112 is 211441242.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

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, 255223 + ... + 256169.

Almost surely, 2242144112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242144112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358298496).

242144112 is an abundant number, since it is smaller than the sum of its proper divisors (474452880).

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

242144112 is a wasteful number, since it uses less digits than its factorization.

242144112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1720 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 242144112 is about 15560.9804318365. The cubic root of 242144112 is about 623.2916435906.

Adding to 242144112 its reverse (211441242), we get a palindrome (453585354).

The spelling of 242144112 in words is "two hundred forty-two million, one hundred forty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 761 947 1522 1894 2283 2841 3044 3788 4566 5327 5682 6088 6629 7576 9132 10654 11364 12176 13258 15152 15981 18264 19887 21308 22728 26516 31962 36528 39774 42616 45456 53032 63924 79548 85232 106064 127848 159096 255696 318192 720667 1441334 2162001 2882668 4324002 5044669 5765336 8648004 10089338 11530672 15134007 17296008 20178676 30268014 34592016 40357352 60536028 80714704 121072056 242144112