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333220013 = 747602859
BaseRepresentation
bin10011110111001…
…000100010101101
3212020000022220222
4103313020202231
51140301020023
653022021125
711154215630
oct2367104255
9766008828
10333220013
11161104145
12937177a5
135405c609
143237dc17
151e3c1cc8
hex13dc88ad

333220013 has 4 divisors (see below), whose sum is σ = 380822880. Its totient is φ = 285617148.

The previous prime is 333220001. The next prime is 333220033. The reversal of 333220013 is 310022333.

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 a de Polignac number, because none of the positive numbers 2k-333220013 is a prime.

It is a super-2 number, since 2×3332200132 = 222071154127440338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 333219973 and 333220000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333220033) 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, 23801423 + ... + 23801436.

It is an arithmetic number, because the mean of its divisors is an integer number (95205720).

Almost surely, 2333220013 is an apocalyptic number.

It is an amenable number.

333220013 is a deficient number, since it is larger than the sum of its proper divisors (47602867).

333220013 is an equidigital number, since it uses as much as digits as its factorization.

333220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47602866.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 333220013 is about 18254.3149145620. The cubic root of 333220013 is about 693.2826935144.

Adding to 333220013 its reverse (310022333), we get a palindrome (643242346).

The spelling of 333220013 in words is "three hundred thirty-three million, two hundred twenty thousand, thirteen".

Divisors: 1 7 47602859 333220013