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830222039 = 6591259821
BaseRepresentation
bin110001011111000…
…010111011010111
32010212012122112102
4301133002323113
53200014101124
6214214312315
726400525263
oct6137027327
92125178472
10830222039
11396703119
121b205869b
13103004c5a
147c3950a3
154cd46aae
hex317c2ed7

830222039 has 4 divisors (see below), whose sum is σ = 831482520. Its totient is φ = 828961560.

The previous prime is 830222023. The next prime is 830222069. The reversal of 830222039 is 930222038.

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 830222039 - 24 = 830222023 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 (830222069) 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, 629252 + ... + 630569.

It is an arithmetic number, because the mean of its divisors is an integer number (207870630).

Almost surely, 2830222039 is an apocalyptic number.

830222039 is a deficient number, since it is larger than the sum of its proper divisors (1260481).

830222039 is a wasteful number, since it uses less digits than its factorization.

830222039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260480.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 830222039 is about 28813.5738671897. The cubic root of 830222039 is about 939.8634323251.

Subtracting 830222039 from its reverse (930222038), we obtain a palindrome (99999999).

The spelling of 830222039 in words is "eight hundred thirty million, two hundred twenty-two thousand, thirty-nine".

Divisors: 1 659 1259821 830222039