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80030330 = 258003033
BaseRepresentation
bin1001100010100…
…10101001111010
312120120221222022
410301102221322
5130441432310
611535154442
71661150402
oct461225172
9176527868
1080030330
11411a1a76
1222975a22
1313771133
14a8b3802
15705ca55
hex4c52a7a

80030330 has 8 divisors (see below), whose sum is σ = 144054612. Its totient is φ = 32012128.

The previous prime is 80030323. The next prime is 80030333. The reversal of 80030330 is 3303008.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79905721 + 124609 = 8939^2 + 353^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 80030299 and 80030308.

It is not an unprimeable number, because it can be changed into a prime (80030333) 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, 4001507 + ... + 4001526.

Almost surely, 280030330 is an apocalyptic number.

80030330 is a deficient number, since it is larger than the sum of its proper divisors (64024282).

80030330 is a wasteful number, since it uses less digits than its factorization.

80030330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003040.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 80030330 is about 8945.9672478721. The cubic root of 80030330 is about 430.9413844631.

Adding to 80030330 its reverse (3303008), we get a palindrome (83333338).

The spelling of 80030330 in words is "eighty million, thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 8003033 16006066 40015165 80030330