Search a number
-
+
238072 = 2329759
BaseRepresentation
bin111010000111111000
3110002120111
4322013320
530104242
65034104
72011042
oct720770
9402514
10238072
1115295a
12b5934
1384493
1462a92
154a817
hex3a1f8

238072 has 8 divisors (see below), whose sum is σ = 446400. Its totient is φ = 119032.

The previous prime is 238039. The next prime is 238079. The reversal of 238072 is 270832.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238079) by changing a digit.

238072 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 as a sum of consecutive naturals, namely, 14872 + ... + 14887.

It is an arithmetic number, because the mean of its divisors is an integer number (55800).

2238072 is an apocalyptic number.

It is an amenable number.

238072 is a deficient number, since it is larger than the sum of its proper divisors (208328).

238072 is a wasteful number, since it uses less digits than its factorization.

238072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29765 (or 29761 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 238072 is about 487.9262239314. The cubic root of 238072 is about 61.9777929487.

The spelling of 238072 in words is "two hundred thirty-eight thousand, seventy-two".

Divisors: 1 2 4 8 29759 59518 119036 238072