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240072 = 23371429
BaseRepresentation
bin111010100111001000
3110012022120
4322213020
530140242
65051240
72016630
oct724710
9405276
10240072
11154408
12b6b20
1385371
14636c0
154b1ec
hex3a9c8

240072 has 32 divisors (see below), whose sum is σ = 686400. Its totient is φ = 68544.

The previous prime is 240059. The next prime is 240073. The reversal of 240072 is 270042.

240072 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

240072 is a modest number, since divided by 72 gives 24 as remainder.

It is not an unprimeable number, because it can be changed into a prime (240073) by changing a digit.

240072 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 7 ways as a sum of consecutive naturals, for example, 547 + ... + 882.

It is an arithmetic number, because the mean of its divisors is an integer number (21450).

2240072 is an apocalyptic number.

It is an amenable number.

240072 is an abundant number, since it is smaller than the sum of its proper divisors (446328).

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

240072 is a wasteful number, since it uses less digits than its factorization.

240072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 240072 is about 489.9714277384. The cubic root of 240072 is about 62.1508639627.

The spelling of 240072 in words is "two hundred forty thousand, seventy-two", and thus it is an iban number.

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1429 2858 4287 5716 8574 10003 11432 17148 20006 30009 34296 40012 60018 80024 120036 240072