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320030413 = 436373351
BaseRepresentation
bin10011000100110…
…100011011001101
3211022012020012021
4103010310123031
51123411433123
651431210141
710634133163
oct2304643315
9738166167
10320030413
1115471564a
128b216951
13513c2011
1430709233
151d168c5d
hex131346cd

320030413 has 4 divisors (see below), whose sum is σ = 320108128. Its totient is φ = 319952700.

The previous prime is 320030411. The next prime is 320030419. The reversal of 320030413 is 314030023.

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 320030413 - 21 = 320030411 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 (320030411) 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, 32313 + ... + 41038.

It is an arithmetic number, because the mean of its divisors is an integer number (80027032).

Almost surely, 2320030413 is an apocalyptic number.

It is an amenable number.

320030413 is a deficient number, since it is larger than the sum of its proper divisors (77715).

320030413 is an equidigital number, since it uses as much as digits as its factorization.

320030413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77714.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 320030413 is about 17889.3938689940. The cubic root of 320030413 is about 684.0120469419.

Adding to 320030413 its reverse (314030023), we get a palindrome (634060436).

The spelling of 320030413 in words is "three hundred twenty million, thirty thousand, four hundred thirteen".

Divisors: 1 4363 73351 320030413