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7242 = 231771
BaseRepresentation
bin1110001001010
3100221020
41301022
5212432
653310
730054
oct16112
910836
107242
115494
124236
1333b1
1428d4
15222c
hex1c4a

7242 has 16 divisors (see below), whose sum is σ = 15552. Its totient is φ = 2240.

The previous prime is 7237. The next prime is 7243. The reversal of 7242 is 2427.

Subtracting from 7242 its sum of digits (15), we obtain a palindrome (7227).

Adding to 7242 its reverse (2427), we get a palindrome (9669).

It is a plaindrome in base 15.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (7243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67 + ... + 137.

It is an arithmetic number, because the mean of its divisors is an integer number (972).

27242 is an apocalyptic number.

7242 is an abundant number, since it is smaller than the sum of its proper divisors (8310).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7776).

7242 is a wasteful number, since it uses less digits than its factorization.

7242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93.

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

The square root of 7242 is about 85.0999412456. The cubic root of 7242 is about 19.3472617295.

The spelling of 7242 in words is "seven thousand, two hundred forty-two", and thus it is an iban number.

Divisors: 1 2 3 6 17 34 51 71 102 142 213 426 1207 2414 3621 7242