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238994097 = 3316913719
BaseRepresentation
bin11100011111011…
…00001010110001
3121122201011021020
432033230022301
5442140302342
635414250053
75631262536
oct1617541261
9548634236
10238994097
111129a6891
1268056929
133a68b034
1423a52d8d
1515ead0ec
hexe3ec2b1

238994097 has 16 divisors (see below), whose sum is σ = 329502720. Its totient is φ = 153925200.

The previous prime is 238994089. The next prime is 238994111. The reversal of 238994097 is 790499832.

It is not a de Polignac number, because 238994097 - 23 = 238994089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238994047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62404 + ... + 66122.

It is an arithmetic number, because the mean of its divisors is an integer number (20593920).

Almost surely, 2238994097 is an apocalyptic number.

It is an amenable number.

238994097 is a deficient number, since it is larger than the sum of its proper divisors (90508623).

238994097 is a wasteful number, since it uses less digits than its factorization.

238994097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 238994097 is about 15459.4339158974. The cubic root of 238994097 is about 620.5770702472.

The spelling of 238994097 in words is "two hundred thirty-eight million, nine hundred ninety-four thousand, ninety-seven".

Divisors: 1 3 31 93 691 2073 3719 11157 21421 64263 115289 345867 2569829 7709487 79664699 238994097