[go: up one dir, main page]

Search a number
-
+
238725 = 32521061
BaseRepresentation
bin111010010010000101
3110010110200
4322102011
530114400
65041113
72012664
oct722205
9403420
10238725
111533a3
12b6199
1384876
1462ddb
154ab00
hex3a485

238725 has 18 divisors (see below), whose sum is σ = 427986. Its totient is φ = 127200.

The previous prime is 238723. The next prime is 238727. The reversal of 238725 is 527832.

It is an interprime number because it is at equal distance from previous prime (238723) and next prime (238727).

It can be written as a sum of positive squares in 3 ways, for example, as 25281 + 213444 = 159^2 + 462^2 .

It is not a de Polignac number, because 238725 - 21 = 238723 is a prime.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 238725.

It is not an unprimeable number, because it can be changed into a prime (238723) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 306 + ... + 755.

It is an arithmetic number, because the mean of its divisors is an integer number (23777).

2238725 is an apocalyptic number.

238725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

238725 is a deficient number, since it is larger than the sum of its proper divisors (189261).

238725 is a wasteful number, since it uses less digits than its factorization.

238725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1069 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 238725 is about 488.5949242471. The cubic root of 238725 is about 62.0344068476.

The spelling of 238725 in words is "two hundred thirty-eight thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 1061 3183 5305 9549 15915 26525 47745 79575 238725