Search a number
-
+
242270 = 2573461
BaseRepresentation
bin111011001001011110
3110022022222
4323021132
530223040
65105342
72026220
oct731136
9408288
10242270
11156026
12b8252
1386372
1464410
154bbb5
hex3b25e

242270 has 16 divisors (see below), whose sum is σ = 498528. Its totient is φ = 83040.

The previous prime is 242261. The next prime is 242273. The reversal of 242270 is 72242.

It is a super-3 number, since 3×2422703 = 42659933355249000, which contains 333 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1661 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (31158).

2242270 is an apocalyptic number.

242270 is an abundant number, since it is smaller than the sum of its proper divisors (256258).

It is a weird number, because it is abundant, but not a pseudoperfect number.

242270 is a wasteful number, since it uses less digits than its factorization.

242270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 242270 is about 492.2093050725. The cubic root of 242270 is about 62.3399638982.

It can be divided in two parts, 242 and 270, that added together give a 9-th power (512 = 29).

The spelling of 242270 in words is "two hundred forty-two thousand, two hundred seventy", and thus it is an iban number.

Divisors: 1 2 5 7 10 14 35 70 3461 6922 17305 24227 34610 48454 121135 242270