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238413445 = 5263181303
BaseRepresentation
bin11100011010111…
…10011010000101
3121121121122202121
432031132122011
5442013212240
635354005541
75623323634
oct1615363205
9547548677
10238413445
1111263a606
1267a168b1
133a51695a
142394151b
1515de604a
hexe35e685

238413445 has 8 divisors (see below), whose sum is σ = 287185536. Its totient is φ = 190004496.

The previous prime is 238413443. The next prime is 238413499. The reversal of 238413445 is 544314832.

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

It is a cyclic number.

It is not a de Polignac number, because 238413445 - 21 = 238413443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238413445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238413443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89337 + ... + 91966.

It is an arithmetic number, because the mean of its divisors is an integer number (35898192).

Almost surely, 2238413445 is an apocalyptic number.

It is an amenable number.

238413445 is a deficient number, since it is larger than the sum of its proper divisors (48772091).

238413445 is a wasteful number, since it uses less digits than its factorization.

238413445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181571.

The product of its digits is 46080, while the sum is 34.

The square root of 238413445 is about 15440.6426355900. The cubic root of 238413445 is about 620.0740849730.

The spelling of 238413445 in words is "two hundred thirty-eight million, four hundred thirteen thousand, four hundred forty-five".

Divisors: 1 5 263 1315 181303 906515 47682689 238413445