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238070645 = 5241197569
BaseRepresentation
bin11100011000010…
…10101101110101
3121120222020112022
432030022231311
5441421230040
635342402525
75620365341
oct1614125565
9546866468
10238070645
11112425aaa
1267890445
133a426907
1423892621
1515d796b5
hexe30ab75

238070645 has 8 divisors (see below), whose sum is σ = 286871640. Its totient is φ = 189665280.

The previous prime is 238070629. The next prime is 238070653. The reversal of 238070645 is 546070832.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 99820081 + 138250564 = 9991^2 + 11758^2 .

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

It is not a de Polignac number, because 238070645 - 24 = 238070629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97580 + ... + 99989.

It is an arithmetic number, because the mean of its divisors is an integer number (35858955).

Almost surely, 2238070645 is an apocalyptic number.

It is an amenable number.

238070645 is a deficient number, since it is larger than the sum of its proper divisors (48800995).

238070645 is a wasteful number, since it uses less digits than its factorization.

238070645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197815.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 238070645 is about 15429.5380682637. The cubic root of 238070645 is about 619.7767536513.

The spelling of 238070645 in words is "two hundred thirty-eight million, seventy thousand, six hundred forty-five".

Divisors: 1 5 241 1205 197569 987845 47614129 238070645