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239483057 = 1121771187
BaseRepresentation
bin11100100011000…
…11100010110001
3121200121222222212
432101203202301
5442301424212
635432541505
75635400222
oct1621434261
9550558885
10239483057
11113200190
1268251895
133a7cc768
1423b3d249
1516057e22
hexe4638b1

239483057 has 4 divisors (see below), whose sum is σ = 261254256. Its totient is φ = 217711860.

The previous prime is 239483051. The next prime is 239483059. The reversal of 239483057 is 750384932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 239483057 - 26 = 239482993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239483051) 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 3 ways as a sum of consecutive naturals, for example, 10885583 + ... + 10885604.

It is an arithmetic number, because the mean of its divisors is an integer number (65313564).

Almost surely, 2239483057 is an apocalyptic number.

It is an amenable number.

239483057 is a deficient number, since it is larger than the sum of its proper divisors (21771199).

239483057 is a wasteful number, since it uses less digits than its factorization.

239483057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21771198.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 239483057 is about 15475.2401273777. The cubic root of 239483057 is about 620.9999965426. Note that the first 5 decimals are identical.

The spelling of 239483057 in words is "two hundred thirty-nine million, four hundred eighty-three thousand, fifty-seven".

Divisors: 1 11 21771187 239483057