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3001220403 = 31000406801
BaseRepresentation
bin1011001011100010…
…1111110100110011
321202011022210102020
42302320233310303
522121303023103
61213450322523
7134241644466
oct26270576463
97664283366
103001220403
111300124345
126b9129443
1338aa20b7c
142068432dd
15128735753
hexb2e2fd33

3001220403 has 4 divisors (see below), whose sum is σ = 4001627208. Its totient is φ = 2000813600.

The previous prime is 3001220401. The next prime is 3001220407. The reversal of 3001220403 is 3040221003.

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 3001220403 - 21 = 3001220401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3001220401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500203398 + ... + 500203403.

It is an arithmetic number, because the mean of its divisors is an integer number (1000406802).

Almost surely, 23001220403 is an apocalyptic number.

3001220403 is a deficient number, since it is larger than the sum of its proper divisors (1000406805).

3001220403 is a wasteful number, since it uses less digits than its factorization.

3001220403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000406804.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3001220403 is about 54783.3953219404. The cubic root of 3001220403 is about 1442.4451133166.

Adding to 3001220403 its reverse (3040221003), we get a palindrome (6041441406).

It can be divided in two parts, 300 and 1220403, that added together give a triangular number (1220703 = T1562).

The spelling of 3001220403 in words is "three billion, one million, two hundred twenty thousand, four hundred three".

Divisors: 1 3 1000406801 3001220403