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239220393 = 3194196849
BaseRepresentation
bin11100100001000…
…11011010101001
3121200010122200120
432100203122221
5442220023033
635423153453
75633224356
oct1620433251
9550118616
10239220393
11113040905
1268145889
133a73a039
1423ab162d
15160051b3
hexe4236a9

239220393 has 8 divisors (see below), whose sum is σ = 335748000. Its totient is φ = 151086528.

The previous prime is 239220383. The next prime is 239220407. The reversal of 239220393 is 393022932.

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

It is not a de Polignac number, because 239220393 - 29 = 239219881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (239220313) 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, 2098368 + ... + 2098481.

It is an arithmetic number, because the mean of its divisors is an integer number (41968500).

Almost surely, 2239220393 is an apocalyptic number.

It is an amenable number.

239220393 is a deficient number, since it is larger than the sum of its proper divisors (96527607).

239220393 is a wasteful number, since it uses less digits than its factorization.

239220393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196871.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 239220393 is about 15466.7512102574. The cubic root of 239220393 is about 620.7728767679.

The spelling of 239220393 in words is "two hundred thirty-nine million, two hundred twenty thousand, three hundred ninety-three".

Divisors: 1 3 19 57 4196849 12590547 79740131 239220393