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238774023 = 3229914843
BaseRepresentation
bin11100011101101…
…10011100000111
3121122021222101100
432032312130013
5442111232043
635405431143
75626355115
oct1616663407
9548258340
10238774023
11112866504
1267b6b4b3
133a611b07
14239d6ab5
1515e67cd3
hexe3b6707

238774023 has 12 divisors (see below), whose sum is σ = 356789160. Its totient is φ = 153693456.

The previous prime is 238774013. The next prime is 238774043. The reversal of 238774023 is 320477832.

It is not a de Polignac number, because 238774023 - 216 = 238708487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238774013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457161 + ... + 457682.

It is an arithmetic number, because the mean of its divisors is an integer number (29732430).

Almost surely, 2238774023 is an apocalyptic number.

238774023 is a deficient number, since it is larger than the sum of its proper divisors (118015137).

238774023 is a wasteful number, since it uses less digits than its factorization.

238774023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914878 (or 914875 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 238774023 is about 15452.3144868334. The cubic root of 238774023 is about 620.3865288326.

The spelling of 238774023 in words is "two hundred thirty-eight million, seven hundred seventy-four thousand, twenty-three".

Divisors: 1 3 9 29 87 261 914843 2744529 8233587 26530447 79591341 238774023