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238215395 = 5118352183
BaseRepresentation
bin11100011001011…
…10000011100011
3121121020121002102
432030232003203
5441440343040
635345441015
75621540345
oct1614560343
9547217072
10238215395
11112514830
126794016b
133a477772
14238cd295
1515da7515
hexe32e0e3

238215395 has 16 divisors (see below), whose sum is σ = 315608832. Its totient is φ = 171156960.

The previous prime is 238215323. The next prime is 238215433. The reversal of 238215395 is 593512832.

238215395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238215395 - 210 = 238214371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21527 + ... + 30656.

It is an arithmetic number, because the mean of its divisors is an integer number (19725552).

Almost surely, 2238215395 is an apocalyptic number.

238215395 is a deficient number, since it is larger than the sum of its proper divisors (77393437).

238215395 is a wasteful number, since it uses less digits than its factorization.

238215395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52282.

The product of its digits is 64800, while the sum is 38.

The square root of 238215395 is about 15434.2280338215. The cubic root of 238215395 is about 619.9023389359.

The spelling of 238215395 in words is "two hundred thirty-eight million, two hundred fifteen thousand, three hundred ninety-five".

Divisors: 1 5 11 55 83 415 913 4565 52183 260915 574013 2870065 4331189 21655945 47643079 238215395