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224930639 = 239779593
BaseRepresentation
bin11010110100000…
…10101101001111
3120200020122211102
431122002231033
5430040240024
634153013315
75400610313
oct1532025517
9520218742
10224930639
11105a7079a
12633b423b
13377a5a6b
1421c31b43
1514b311ae
hexd682b4f

224930639 has 4 divisors (see below), whose sum is σ = 234710256. Its totient is φ = 215151024.

The previous prime is 224930623. The next prime is 224930647. The reversal of 224930639 is 936039422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224930639 - 24 = 224930623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224930609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4889774 + ... + 4889819.

It is an arithmetic number, because the mean of its divisors is an integer number (58677564).

Almost surely, 2224930639 is an apocalyptic number.

224930639 is a deficient number, since it is larger than the sum of its proper divisors (9779617).

224930639 is an equidigital number, since it uses as much as digits as its factorization.

224930639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9779616.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 224930639 is about 14997.6877884559. The cubic root of 224930639 is about 608.1576942285.

The spelling of 224930639 in words is "two hundred twenty-four million, nine hundred thirty thousand, six hundred thirty-nine".

Divisors: 1 23 9779593 224930639