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242960 = 2453037
BaseRepresentation
bin111011010100010000
3110100021112
4323110100
530233320
65112452
72031224
oct732420
9410245
10242960
111565a3
12b8728
1386783
1464784
154bec5
hex3b510

242960 has 20 divisors (see below), whose sum is σ = 565068. Its totient is φ = 97152.

The previous prime is 242927. The next prime is 242971. The reversal of 242960 is 69242.

It can be written as a sum of positive squares in 2 ways, for example, as 150544 + 92416 = 388^2 + 304^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

242960 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439 + ... + 1598.

2242960 is an apocalyptic number.

242960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242960 is an abundant number, since it is smaller than the sum of its proper divisors (322108).

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

242960 is a wasteful number, since it uses less digits than its factorization.

242960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 242960 is about 492.9097280436. The cubic root of 242960 is about 62.3990904974.

The spelling of 242960 in words is "two hundred forty-two thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3037 6074 12148 15185 24296 30370 48592 60740 121480 242960