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238194834 = 23163243553
BaseRepresentation
bin11100011001010…
…01000010010010
3121121012112212220
432030221002102
5441434213314
635345201510
75621423403
oct1614510222
9547175786
10238194834
11112500339
1267930296
133a46b2b7
14238c59aa
1515da13a9
hexe329092

238194834 has 16 divisors (see below), whose sum is σ = 479314272. Its totient is φ = 78910848.

The previous prime is 238194833. The next prime is 238194967. The reversal of 238194834 is 438491832.

It is not an unprimeable number, because it can be changed into a prime (238194833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120799 + ... + 122754.

It is an arithmetic number, because the mean of its divisors is an integer number (29957142).

Almost surely, 2238194834 is an apocalyptic number.

238194834 is an abundant number, since it is smaller than the sum of its proper divisors (241119438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238194834 is a wasteful number, since it uses less digits than its factorization.

238194834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243721.

The product of its digits is 165888, while the sum is 42.

The square root of 238194834 is about 15433.5619349520. The cubic root of 238194834 is about 619.8845032866.

The spelling of 238194834 in words is "two hundred thirty-eight million, one hundred ninety-four thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 163 326 489 978 243553 487106 730659 1461318 39699139 79398278 119097417 238194834