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238172 = 22115413
BaseRepresentation
bin111010001001011100
3110002201012
4322021130
530110142
65034352
72011244
oct721134
9402635
10238172
11152a40
12b59b8
138453c
1462b24
154a882
hex3a25c

238172 has 12 divisors (see below), whose sum is σ = 454776. Its totient is φ = 108240.

The previous prime is 238171. The next prime is 238181. The reversal of 238172 is 271832.

238172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2663 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (37898).

2238172 is an apocalyptic number.

238172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

238172 is a deficient number, since it is larger than the sum of its proper divisors (216604).

238172 is a wasteful number, since it uses less digits than its factorization.

238172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428 (or 5426 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 238172 is about 488.0286876814. The cubic root of 238172 is about 61.9864694719.

The spelling of 238172 in words is "two hundred thirty-eight thousand, one hundred seventy-two".

Divisors: 1 2 4 11 22 44 5413 10826 21652 59543 119086 238172