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7238 = 271147
BaseRepresentation
bin1110001000110
3100221002
41301012
5212423
653302
730050
oct16106
910832
107238
115490
124232
1333aa
1428d0
152228
hex1c46

7238 has 16 divisors (see below), whose sum is σ = 13824. Its totient is φ = 2760.

The previous prime is 7237. The next prime is 7243. The reversal of 7238 is 8327.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 13 and base 15.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7237) 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, 131 + ... + 177.

It is an arithmetic number, because the mean of its divisors is an integer number (864).

7238 is a deficient number, since it is larger than the sum of its proper divisors (6586).

7238 is a wasteful number, since it uses less digits than its factorization.

7238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67.

The product of its digits is 336, while the sum is 20.

The square root of 7238 is about 85.0764362206. The cubic root of 7238 is about 19.3436990259.

Subtracting 7238 from its reverse (8327), we obtain a square (1089 = 332).

The spelling of 7238 in words is "seven thousand, two hundred thirty-eight".

Divisors: 1 2 7 11 14 22 47 77 94 154 329 517 658 1034 3619 7238