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239928241 = 771482753
BaseRepresentation
bin11100100110100…
…00001110110001
3121201110121200011
432103100032301
5442410200431
635450254521
75642233150
oct1623201661
9551417604
10239928241
11113484703
1268427441
133a927297
1423c17597
15160e4cb1
hexe4d03b1

239928241 has 8 divisors (see below), whose sum is σ = 278066304. Its totient is φ = 202755840.

The previous prime is 239928229. The next prime is 239928253. The reversal of 239928241 is 142829932.

It is an interprime number because it is at equal distance from previous prime (239928229) and next prime (239928253).

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

It is not a de Polignac number, because 239928241 - 25 = 239928209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239928194 and 239928203.

It is not an unprimeable number, because it can be changed into a prime (239938241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240880 + ... + 241873.

It is an arithmetic number, because the mean of its divisors is an integer number (34758288).

Almost surely, 2239928241 is an apocalyptic number.

It is an amenable number.

239928241 is a deficient number, since it is larger than the sum of its proper divisors (38138063).

239928241 is an equidigital number, since it uses as much as digits as its factorization.

239928241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482831.

The product of its digits is 62208, while the sum is 40.

The square root of 239928241 is about 15489.6171999181. The cubic root of 239928241 is about 621.3845583786.

The spelling of 239928241 in words is "two hundred thirty-nine million, nine hundred twenty-eight thousand, two hundred forty-one".

Divisors: 1 7 71 497 482753 3379271 34275463 239928241