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3220000421 = 11793705409
BaseRepresentation
bin1011111111101101…
…0100111010100101
322022101222222011212
42333323110322211
523043310003141
61251303441205
7142536360221
oct27773247245
98271888155
103220000421
111402673a80
1275a456205
133c41521c1
14227913781
1513ca4e2eb
hexbfed4ea5

3220000421 has 8 divisors (see below), whose sum is σ = 3557193600. Its totient is φ = 2890218240.

The previous prime is 3220000417. The next prime is 3220000429. The reversal of 3220000421 is 1240000223.

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

It is a cyclic number.

It is not a de Polignac number, because 3220000421 - 22 = 3220000417 is a prime.

It is a super-2 number, since 2×32200004212 = 20736805422480354482, 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 = 3220000396 and 3220000405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220000429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851836 + ... + 1853573.

It is an arithmetic number, because the mean of its divisors is an integer number (444649200).

Almost surely, 23220000421 is an apocalyptic number.

It is an amenable number.

3220000421 is a deficient number, since it is larger than the sum of its proper divisors (337193179).

3220000421 is a wasteful number, since it uses less digits than its factorization.

3220000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705499.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3220000421 is about 56745.0475460194. The cubic root of 3220000421 is about 1476.6763162890.

Adding to 3220000421 its reverse (1240000223), we get a palindrome (4460000644).

The spelling of 3220000421 in words is "three billion, two hundred twenty million, four hundred twenty-one", and thus it is an aban number.

Divisors: 1 11 79 869 3705409 40759499 292727311 3220000421