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238882801 = 19109311503
BaseRepresentation
bin11100011110100…
…00111111110001
3121122111111121011
432033100333301
5442123222201
635412030521
75630320213
oct1617207761
9548444534
10238882801
11112930203
1268002441
133a64c491
1423a245b3
1515e8a151
hexe3d0ff1

238882801 has 8 divisors (see below), whose sum is σ = 251707520. Its totient is φ = 226083312.

The previous prime is 238882783. The next prime is 238882843. The reversal of 238882801 is 108288832.

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 238882801 - 213 = 238874609 is a prime.

It is a super-2 number, since 2×2388828012 = 114129985227211202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238882201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15016 + ... + 26518.

It is an arithmetic number, because the mean of its divisors is an integer number (31463440).

Almost surely, 2238882801 is an apocalyptic number.

It is an amenable number.

238882801 is a deficient number, since it is larger than the sum of its proper divisors (12824719).

238882801 is a wasteful number, since it uses less digits than its factorization.

238882801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12615.

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 238882801 is about 15455.8338823889. The cubic root of 238882801 is about 620.4807241163.

The spelling of 238882801 in words is "two hundred thirty-eight million, eight hundred eighty-two thousand, eight hundred one".

Divisors: 1 19 1093 11503 20767 218557 12572779 238882801