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242868 = 22337547
BaseRepresentation
bin111011010010110100
3110100011010
4323102310
530232433
65112220
72031033
oct732264
9410133
10242868
1115651a
12b8670
1386712
146471a
154be63
hex3b4b4

242868 has 24 divisors (see below), whose sum is σ = 583072. Its totient is φ = 78624.

The previous prime is 242867. The next prime is 242873. The reversal of 242868 is 868242.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242863) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171 + ... + 717.

2242868 is an apocalyptic number.

It is an amenable number.

242868 is an abundant number, since it is smaller than the sum of its proper divisors (340204).

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

242868 is a wasteful number, since it uses less digits than its factorization.

242868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 589 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 242868 is about 492.8163958311. The cubic root of 242868 is about 62.3912134242.

The spelling of 242868 in words is "two hundred forty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 547 1094 1641 2188 3282 6564 20239 40478 60717 80956 121434 242868