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4220677 = 7095953
BaseRepresentation
bin10000000110011100000101
321221102200101
4100012130011
52040030202
6230244101
750606116
oct20063405
97842611
104220677
11242306a
1214b6631
13b4a156
147bc20d
15585887
hex406705

4220677 has 4 divisors (see below), whose sum is σ = 4227340. Its totient is φ = 4214016.

The previous prime is 4220659. The next prime is 4220687. The reversal of 4220677 is 7760224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 224676 + 3996001 = 474^2 + 1999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4220677 is a prime.

It is a super-2 number, since 2×42206772 = 35628228676658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220617) 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, 2268 + ... + 3685.

It is an arithmetic number, because the mean of its divisors is an integer number (1056835).

Almost surely, 24220677 is an apocalyptic number.

It is an amenable number.

4220677 is a deficient number, since it is larger than the sum of its proper divisors (6663).

4220677 is an equidigital number, since it uses as much as digits as its factorization.

4220677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6662.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 4220677 is about 2054.4286310310. The cubic root of 4220677 is about 161.6072000558.

The spelling of 4220677 in words is "four million, two hundred twenty thousand, six hundred seventy-seven".

Divisors: 1 709 5953 4220677