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238485577 = 1126718117
BaseRepresentation
bin11100011011100…
…00000001001001
3121121202022201011
432031300001021
5442023014302
635355323521
75624044141
oct1615600111
9547668634
10238485577
11112689820
1267a505a1
133a540735
142395d921
1515e0c5d7
hexe370049

238485577 has 8 divisors (see below), whose sum is σ = 260295552. Its totient is φ = 216697200.

The previous prime is 238485529. The next prime is 238485581. The reversal of 238485577 is 775584832.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-238485577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238485577.

It is not an unprimeable number, because it can be changed into a prime (238485277) 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, 25323 + ... + 33439.

It is an arithmetic number, because the mean of its divisors is an integer number (32536944).

Almost surely, 2238485577 is an apocalyptic number.

It is an amenable number.

238485577 is a deficient number, since it is larger than the sum of its proper divisors (21809975).

238485577 is a wasteful number, since it uses less digits than its factorization.

238485577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10799.

The product of its digits is 1881600, while the sum is 49.

The square root of 238485577 is about 15442.9782425541. The cubic root of 238485577 is about 620.1366131495.

The spelling of 238485577 in words is "two hundred thirty-eight million, four hundred eighty-five thousand, five hundred seventy-seven".