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238538054 = 2532250359
BaseRepresentation
bin11100011011111…
…00110101000110
3121121211222200202
432031330311012
5442031204204
635400410502
75624353136
oct1615746506
9547758622
10238538054
11112715197
1267a76a32
133a55b5a1
1423974ac6
1515e1ce1e
hexe37cd46

238538054 has 8 divisors (see below), whose sum is σ = 364558320. Its totient is φ = 117018616.

The previous prime is 238538017. The next prime is 238538059. The reversal of 238538054 is 450835832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2385380542 = 113800806412213832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 238537999 and 238538017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238538059) 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, 1125074 + ... + 1125285.

It is an arithmetic number, because the mean of its divisors is an integer number (45569790).

Almost surely, 2238538054 is an apocalyptic number.

238538054 is a deficient number, since it is larger than the sum of its proper divisors (126020266).

238538054 is a wasteful number, since it uses less digits than its factorization.

238538054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250414.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 238538054 is about 15444.6772060798. The cubic root of 238538054 is about 620.1820953163.

The spelling of 238538054 in words is "two hundred thirty-eight million, five hundred thirty-eight thousand, fifty-four".

Divisors: 1 2 53 106 2250359 4500718 119269027 238538054